﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2024v5.5">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2026-08-13T22:23:07-05:00</ReturnTs>
    <TaxPeriodEndDt>2025-09-30</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>393984182</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>ACCUITY ADVISORS LLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>745 FORT ST STE 2100</AddressLine1Txt>
        <CityNm>HONOLULU</CityNm>
        <StateAbbreviationCd>HI</StateAbbreviationCd>
        <ZIPCd>96813</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-10-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>953972799</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>CALIFORNIA ASSOCIATION FOR RESEARCH IN</BusinessNameLine1Txt>
        <BusinessNameLine2Txt>ASTRONOMY</BusinessNameLine2Txt>
      </BusinessName>
      <BusinessNameControlTxt>CALI</BusinessNameControlTxt>
      <PhoneNum>8088857887</PhoneNum>
      <USAddress>
        <AddressLine1Txt>65-1120 MAMALAHOA HWY</AddressLine1Txt>
        <CityNm>KAMUELA</CityNm>
        <StateAbbreviationCd>HI</StateAbbreviationCd>
        <ZIPCd>96743</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>NATHAN BROSTROM</PersonNm>
      <PersonTitleTxt>TREASURER</PersonTitleTxt>
      <PhoneNum>8088857887</PhoneNum>
      <SignatureDt>2026-08-11</SignatureDt>
      <DiscussWithPaidPreparerInd>0</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>1</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>QIANYING NICHOLS</PreparerPersonNm>
      <PTIN>P01236169</PTIN>
      <PhoneNum>8085213962</PhoneNum>
      <PreparationDt>2026-08-11</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="9">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <DoingBusinessAsName>
        <BusinessNameLine1Txt>W M KECK OBSERVATORY</BusinessNameLine1Txt>
      </DoingBusinessAsName>
      <PrincipalOfficerNm>NATHAN BROSTROM</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>65-1120 MAMALAHOA HWY</AddressLine1Txt>
        <CityNm>KAMUELA</CityNm>
        <StateAbbreviationCd>HI</StateAbbreviationCd>
        <ZIPCd>96743</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>30117370</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>0</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>WWW.KECKOBSERVATORY.ORG</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>1985</FormationYr>
      <LegalDomicileStateCd>CA</LegalDomicileStateCd>
      <ActivityOrMissionDesc>SEE SCHEDULE O</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>6</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>6</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>154</TotalEmployeeCnt>
      <TotalVolunteersCnt>15</TotalVolunteersCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>0</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>1878717</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>2148140</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>25061121</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>25921219</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>3430527</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>2037210</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>142</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>0</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>30370507</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>30106569</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>3375548</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>1686829</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>0</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>20682705</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>20524213</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>651411</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>8887016</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>11750919</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>32945269</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>33961961</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>-2574762</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>-3855392</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>62041473</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>59444554</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>7224711</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>7863324</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>54816762</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>51581230</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <MissionDesc>SEE SCHEDULE O</MissionDesc>
      <SignificantNewProgramSrvcInd>0</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>0</SignificantChangeInd>
      <ExpenseAmt>28059023</ExpenseAmt>
      <GrantAmt>1686829</GrantAmt>
      <RevenueAmt>25913080</RevenueAmt>
      <Desc>SEE SCHEDULE O</Desc>
      <ProgSrvcAccomActy2Grp>
        <ExpenseAmt>351696</ExpenseAmt>
        <Desc>PUBLIC INFORMATION:KECK OBSERVATORY'S EDUCATION AND COMMUNICATION PROGRAMS TELL OUR STORY OF SCIENCE, STEWARDSHIP, AND COMMUNITY CONTRIBUTIONS TO AFFIRM THE OBSERVATORY'S ROLE AS A GLOBAL SCIENCE LEADER ROOTED IN HAWAII. ACTIVITIES INCLUDE PUBLIC ASTRONOMY TALKS, SCIENCE ENGAGEMENT IN CLASSROOMS AND COMMUNITY EVENTS, FACILITY TOURS, AND SHARING DISCOVERIES OVER DIGITAL PLATFORMS. OUR AUDIENCE IS GLOBAL WITH OVER 86,000 ASTRONOMY PROFESSIONALS AND ENTHUSIASTS ACROSS OUR DIGITAL PLATFORMS, AND WE EMPHASIZE ENGAGEMENT WITH THE LOCAL HAWAII COMMUNITY.</Desc>
      </ProgSrvcAccomActy2Grp>
      <ProgSrvcAccomActy3Grp>
        <ExpenseAmt>256389</ExpenseAmt>
        <Desc>RESEARCH:KECK OBSERVATORY'S ACTIVITIES INCLUDE SUBMITTING GRANT PROPOSALS TO CARRY OUT SPECIFIC RESEARCH PROJECTS.</Desc>
      </ProgSrvcAccomActy3Grp>
      <TotalProgramServiceExpensesAmt>28667108</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="RetDoc1039100001">1</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd referenceDocumentId="RetDoc1234500001">1</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd referenceDocumentId="RetDoc1039700001">0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd referenceDocumentId="RetDoc1039700001">1</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd referenceDocumentId="RetDoc1039700001">0</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="RetDoc1040000001">0</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="RetDoc1040000001">0</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="RetDoc1040000001">0</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="RetDoc1040000001">0</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd>0</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="RetDoc1040000001">1</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="RetDoc1040000001">1</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="RetDoc1040000001">0</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="RetDoc1040000001">0</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="RetDoc1040000001">0</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="RetDoc1040000001">1</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">1</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">0</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <ForeignActivitiesInd referenceDocumentId="RetDoc1040500001">1</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd referenceDocumentId="RetDoc1040500001">1</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd referenceDocumentId="RetDoc1040500001">0</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>0</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>0</FundraisingActivitiesInd>
      <GamingActivitiesInd>0</GamingActivitiesInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <GrantsToOrganizationsInd referenceDocumentId="RetDoc1041900001">1</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd referenceDocumentId="RetDoc1041900001">0</GrantsToIndividualsInd>
      <ScheduleJRequiredInd referenceDocumentId="RetDoc1042400001">1</ScheduleJRequiredInd>
      <TaxExemptBondsInd>0</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd>0</PYExcessBenefitTransInd>
      <LoanOutstandingInd>0</LoanOutstandingInd>
      <GrantToRelatedPersonInd>0</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>0</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>0</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd>0</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd>0</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>0</DeductibleArtContributionInd>
      <TerminateOperationsInd>0</TerminateOperationsInd>
      <PartialLiquidationInd>0</PartialLiquidationInd>
      <DisregardedEntityInd>0</DisregardedEntityInd>
      <RelatedEntityInd>0</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>0</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd>0</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>1</ScheduleORequiredInd>
      <IRPDocumentCnt>29</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>1</BackupWthldComplianceInd>
      <EmployeeCnt>154</EmployeeCnt>
      <EmploymentTaxReturnsFiledInd>1</EmploymentTaxReturnsFiledInd>
      <UnrelatedBusIncmOverLimitInd>0</UnrelatedBusIncmOverLimitInd>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>0</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>0</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>0</QuidProQuoContributionsInd>
      <Form8282PropertyDisposedOfInd>0</Form8282PropertyDisposedOfInd>
      <RcvFndsToPayPrsnlBnftCntrctInd>0</RcvFndsToPayPrsnlBnftCntrctInd>
      <PayPremiumsPrsnlBnftCntrctInd>0</PayPremiumsPrsnlBnftCntrctInd>
      <IndoorTanningServicesInd>0</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>0</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>0</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>6</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>6</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>1</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>0</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>0</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>0</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>0</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>0</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>0</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>1</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>1</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>1</OfficerMailingAddressInd>
      <LocalChaptersInd>0</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>1</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>1</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>1</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>1</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>0</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>0</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>1</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>1</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>0</InvestmentInJointVentureInd>
      <StatesWhereCopyOfReturnIsFldCd>CA</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>HI</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>WA</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>MD</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>AK</StatesWhereCopyOfReturnIsFldCd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>THE ORGANIZATION</BusinessNameLine1Txt>
        </BusinessName>
        <PhoneNum>8088857887</PhoneNum>
        <USAddress>
          <AddressLine1Txt>65-1120 MAMALAHOA HWY</AddressLine1Txt>
          <CityNm>KAMUELA</CityNm>
          <StateAbbreviationCd>HI</StateAbbreviationCd>
          <ZIPCd>96743</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>DR GEORGE BLUMENTHAL</PersonNm>
        <TitleTxt>CHAIRMAN</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DR B THOMAS SOIFER</PersonNm>
        <TitleTxt>VICE-CHAIR</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DR KATHERINE NEWMAN</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DR FIONA HARRISON</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DR CHRIS MARTIN</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DR BRUCE MACINTOSH</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MR RICHARD MATSUDA</PersonNm>
        <TitleTxt>INTERIM OBS. DIRECTOR/ ASS</TitleTxt>
        <AverageHoursPerWeekRt>55.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>348607</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>86397</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MS CAROL SCHUIL</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHoursPerWeekRt>4.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MR NATHAN BROSTROM</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DR JOHN O'MEARA</PersonNm>
        <TitleTxt>CHIEF SCIENTIST</TitleTxt>
        <AverageHoursPerWeekRt>45.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>295951</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>70047</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MS MARGARITA SCHEFFEL</PersonNm>
        <TitleTxt>OBSERVATORY CFO</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>273603</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>82710</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DR PETER WIZINOWICH</PersonNm>
        <TitleTxt>CHIEF OF TECHNICAL DEVELOP</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>243836</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>66447</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MR JEFFREY HUBER</PersonNm>
        <TitleTxt>CHIEF OPERATIONS OFFICER</TitleTxt>
        <AverageHoursPerWeekRt>45.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>241517</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>49839</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MR ED HARRIS</PersonNm>
        <TitleTxt>CHIEF DEVELOPMENT OFFICER</TitleTxt>
        <AverageHoursPerWeekRt>45.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>241302</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>63277</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>1644816</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>418717</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>73</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>MAUNAKEA SHARED SERVICES</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>640 N AOHOKU PLACE</AddressLine1Txt>
            <CityNm>HILO</CityNm>
            <StateAbbreviationCd>HI</StateAbbreviationCd>
            <ZIPCd>96720</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>SUMMIT SUPPORT SERVICES AND LODGING</ServicesDesc>
        <CompensationAmt>527109</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>PA'AKAI COMMUNICATIONS LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>21 CRAIGSIDE PLACE UNIT 1B</AddressLine1Txt>
            <CityNm>HONOLULU</CityNm>
            <StateAbbreviationCd>HI</StateAbbreviationCd>
            <ZIPCd>96817</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>EXTERNAL AND GOVERNMENT RELATIONS CONSUL</ServicesDesc>
        <CompensationAmt>176687</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>WAKEA CONSULTING</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <ForeignAddress>
            <AddressLine1Txt>4 RUE JOSEPH BOUCHAYER</AddressLine1Txt>
            <CityNm>GRENOBLE</CityNm>
            <CountryCd>FR</CountryCd>
            <ForeignPostalCd>38100</ForeignPostalCd>
          </ForeignAddress>
        </ContractorAddress>
        <ServicesDesc>SOFTWARE SUPPORT AND AO RTC SUPPORT</ServicesDesc>
        <CompensationAmt>121849</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>MICROGATE SRL</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <ForeignAddress>
            <AddressLine1Txt>VIA WALTRAUD GEBERT DEEG 3/E BOLZ</AddressLine1Txt>
            <CityNm>BOLZAON</CityNm>
            <CountryCd>IT</CountryCd>
            <ForeignPostalCd>39100</ForeignPostalCd>
          </ForeignAddress>
        </ContractorAddress>
        <ServicesDesc>SOFTWARE MODIFICATIONS OF EXISTING INSTR</ServicesDesc>
        <CompensationAmt>115937</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>4</CntrctRcvdGreaterThan100KCnt>
      <GovernmentGrantsAmt>1166565</GovernmentGrantsAmt>
      <AllOtherContributionsAmt>981575</AllOtherContributionsAmt>
      <NoncashContributionsAmt>10801</NoncashContributionsAmt>
      <TotalContributionsAmt>2148140</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>OBSERVATORY OPERATIONS</Desc>
        <BusinessCd>541712</BusinessCd>
        <TotalRevenueColumnAmt>20928737</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>20928737</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>NASA COOPERATIVE AGREEMENT</Desc>
        <BusinessCd>541712</BusinessCd>
        <TotalRevenueColumnAmt>4899000</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>4899000</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>VISITING SCIENCE QUARTERS</Desc>
        <BusinessCd>541712</BusinessCd>
        <TotalRevenueColumnAmt>85343</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>85343</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>KECK LOGO MERCHANDISE</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>6419</TotalRevenueColumnAmt>
        <ExclusionAmt>6419</ExclusionAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>SUMMIT TOURS OFFSET</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>1720</TotalRevenueColumnAmt>
        <ExclusionAmt>1720</ExclusionAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>25921219</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>381082</TotalRevenueColumnAmt>
        <ExclusionAmt>381082</ExclusionAmt>
      </InvestmentIncomeGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>1666929</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>10801</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>1656128</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>1656128</TotalRevenueColumnAmt>
        <ExclusionAmt>1656128</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>30106569</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>25913080</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>2045349</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>1661829</TotalAmt>
        <ProgramServicesAmt>1661829</ProgramServicesAmt>
      </GrantsToDomesticOrgsGrp>
      <ForeignGrantsGrp>
        <TotalAmt>25000</TotalAmt>
        <ProgramServicesAmt>25000</ProgramServicesAmt>
      </ForeignGrantsGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>1594027</TotalAmt>
        <ProgramServicesAmt>830121</ProgramServicesAmt>
        <ManagementAndGeneralAmt>735748</ManagementAndGeneralAmt>
        <FundraisingAmt>28158</FundraisingAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>14398925</TotalAmt>
        <ProgramServicesAmt>10148945</ProgramServicesAmt>
        <ManagementAndGeneralAmt>3866600</ManagementAndGeneralAmt>
        <FundraisingAmt>383380</FundraisingAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>1050195</TotalAmt>
        <ProgramServicesAmt>751851</ProgramServicesAmt>
        <ManagementAndGeneralAmt>269816</ManagementAndGeneralAmt>
        <FundraisingAmt>28528</FundraisingAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>2366293</TotalAmt>
        <ProgramServicesAmt>2245135</ProgramServicesAmt>
        <ManagementAndGeneralAmt>90570</ManagementAndGeneralAmt>
        <FundraisingAmt>30588</FundraisingAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>1114773</TotalAmt>
        <ProgramServicesAmt>778772</ProgramServicesAmt>
        <ManagementAndGeneralAmt>306659</ManagementAndGeneralAmt>
        <FundraisingAmt>29342</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>41805</TotalAmt>
        <ManagementAndGeneralAmt>41805</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>71309</TotalAmt>
        <ManagementAndGeneralAmt>71309</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesLobbyingGrp>
        <TotalAmt>11240</TotalAmt>
        <ManagementAndGeneralAmt>11240</ManagementAndGeneralAmt>
      </FeesForServicesLobbyingGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>2062281</TotalAmt>
        <ProgramServicesAmt>1472431</ProgramServicesAmt>
        <ManagementAndGeneralAmt>579632</ManagementAndGeneralAmt>
        <FundraisingAmt>10218</FundraisingAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>11848</TotalAmt>
        <ProgramServicesAmt>6208</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4822</ManagementAndGeneralAmt>
        <FundraisingAmt>818</FundraisingAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>170495</TotalAmt>
        <ProgramServicesAmt>48219</ProgramServicesAmt>
        <ManagementAndGeneralAmt>105598</ManagementAndGeneralAmt>
        <FundraisingAmt>16678</FundraisingAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>495131</TotalAmt>
        <ProgramServicesAmt>388766</ProgramServicesAmt>
        <ManagementAndGeneralAmt>85181</ManagementAndGeneralAmt>
        <FundraisingAmt>21184</FundraisingAmt>
      </InformationTechnologyGrp>
      <OccupancyGrp>
        <TotalAmt>2008078</TotalAmt>
        <ProgramServicesAmt>1834116</ProgramServicesAmt>
        <ManagementAndGeneralAmt>173745</ManagementAndGeneralAmt>
        <FundraisingAmt>217</FundraisingAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>766951</TotalAmt>
        <ProgramServicesAmt>521947</ProgramServicesAmt>
        <ManagementAndGeneralAmt>167896</ManagementAndGeneralAmt>
        <FundraisingAmt>77108</FundraisingAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>197862</TotalAmt>
        <ProgramServicesAmt>29232</ProgramServicesAmt>
        <ManagementAndGeneralAmt>151741</ManagementAndGeneralAmt>
        <FundraisingAmt>16889</FundraisingAmt>
      </ConferencesMeetingsGrp>
      <InterestGrp>
        <TotalAmt>60357</TotalAmt>
        <ProgramServicesAmt>35891</ProgramServicesAmt>
        <ManagementAndGeneralAmt>24466</ManagementAndGeneralAmt>
      </InterestGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>4378446</TotalAmt>
        <ProgramServicesAmt>4346869</ProgramServicesAmt>
        <ManagementAndGeneralAmt>26648</ManagementAndGeneralAmt>
        <FundraisingAmt>4929</FundraisingAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>94110</TotalAmt>
        <ProgramServicesAmt>59395</ProgramServicesAmt>
        <ManagementAndGeneralAmt>34003</ManagementAndGeneralAmt>
        <FundraisingAmt>712</FundraisingAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>EQUIP RENTAL AND MAINTE</Desc>
        <TotalAmt>1281934</TotalAmt>
        <ProgramServicesAmt>1254121</ProgramServicesAmt>
        <ManagementAndGeneralAmt>25151</ManagementAndGeneralAmt>
        <FundraisingAmt>2662</FundraisingAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>EQUIPMENT AND TOOLS</Desc>
        <TotalAmt>1075050</TotalAmt>
        <ProgramServicesAmt>1069097</ProgramServicesAmt>
        <ManagementAndGeneralAmt>5953</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>INDIRECT COST RECOVERY</Desc>
        <TotalAmt>-110417</TotalAmt>
        <ProgramServicesAmt>2024724</ProgramServicesAmt>
        <ManagementAndGeneralAmt>-2135141</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>CAPITAL SUBCONTRACTS</Desc>
        <TotalAmt>-865561</TotalAmt>
        <ProgramServicesAmt>-865561</ProgramServicesAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>33961961</TotalAmt>
        <ProgramServicesAmt>28667108</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4643442</ManagementAndGeneralAmt>
        <FundraisingAmt>651411</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>4089</BOYAmt>
        <EOYAmt>717</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>950221</BOYAmt>
        <EOYAmt>3637361</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PledgesAndGrantsReceivableGrp>
        <BOYAmt>449542</BOYAmt>
        <EOYAmt>336516</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <AccountsReceivableGrp>
        <BOYAmt>97303</BOYAmt>
        <EOYAmt>76105</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>1361488</BOYAmt>
        <EOYAmt>1478639</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>155022552</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>121189843</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>35041598</BOYAmt>
        <EOYAmt>33832709</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsOtherSecuritiesGrp>
        <BOYAmt>24137232</BOYAmt>
        <EOYAmt>20082507</EOYAmt>
      </InvestmentsOtherSecuritiesGrp>
      <TotalAssetsGrp>
        <BOYAmt>62041473</BOYAmt>
        <EOYAmt>59444554</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>4724711</BOYAmt>
        <EOYAmt>5363324</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <UnsecuredNotesLoansPayableGrp>
        <BOYAmt>2500000</BOYAmt>
        <EOYAmt>2500000</EOYAmt>
      </UnsecuredNotesLoansPayableGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>7224711</BOYAmt>
        <EOYAmt>7863324</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>52861115</BOYAmt>
        <EOYAmt>50785440</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>1955647</BOYAmt>
        <EOYAmt>795790</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>54816762</BOYAmt>
        <EOYAmt>51581230</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>62041473</BOYAmt>
        <EOYAmt>59444554</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>-3855392</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>619860</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>1</FederalGrantAuditRequiredInd>
      <FederalGrantAuditPerformedInd>1</FederalGrantAuditPerformedInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>4205483</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>5704964</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>4893022</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1878717</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>2148140</CurrentTaxYearAmt>
        <TotalAmt>18830326</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>4205483</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>5704964</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>4893022</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1878717</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>2148140</CurrentTaxYearAmt>
        <TotalAmt>18830326</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>6062737</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>12767589</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>290563</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>224723</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>538930</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>495842</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>381082</CurrentTaxYearAmt>
        <TotalAmt>1931140</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <OtherIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>226812</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>6066</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>5804</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>6161</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>8139</CurrentTaxYearAmt>
        <TotalAmt>252982</TotalAmt>
      </OtherIncome170Grp>
      <TotalSupportAmt>21014448</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>118160986</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.60760</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.73670</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>SCHEDULE A, PART II, LINE 10, EXPLANATION OF OTHER INCOME:</FormAndLineReferenceDesc>
        <ExplanationTxt>STATE ENERGY REBATE VARIOUS OTHER REVENUES</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleC documentId="RetDoc1039700001">
      <VolunteersInd>0</VolunteersInd>
      <PaidStaffOrManagementInd>1</PaidStaffOrManagementInd>
      <MediaAdvertisementsInd>0</MediaAdvertisementsInd>
      <MailingsMembersInd>0</MailingsMembersInd>
      <PublicationsOrBroadcastInd>0</PublicationsOrBroadcastInd>
      <GrantsOtherOrganizationsInd>0</GrantsOtherOrganizationsInd>
      <DirectContactLegislatorsInd>1</DirectContactLegislatorsInd>
      <DirectContactLegislatorsAmt>11240</DirectContactLegislatorsAmt>
      <RalliesDemonstrationsInd>0</RalliesDemonstrationsInd>
      <OtherActivitiesInd>0</OtherActivitiesInd>
      <TotalLobbyingExpendituresAmt>11240</TotalLobbyingExpendituresAmt>
      <NotDescribedSection501c3Ind>0</NotDescribedSection501c3Ind>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART II-B, LINE 1:</FormAndLineReferenceDesc>
        <ExplanationTxt>PART II-B: THE OBSERVATORY RETAINS A CONSULTING FIRM TO MONITOR LEGISLATIVE DEVELOPMENTS AND TO ADVISE IT ON GOVERNMENT RELATIONS MATTERS. THE CONSULTANT MAY ESTABLISH DIRECT CONTACT WITH LEGISLATORS, THEIR STAFFS, GOVERNMENT OFFICIALS, AND LEGISLATIVE BODIES AND ENGAGE IN COMMUNICATION WHICH MAY BE CONSIDERED COMMUICATION WHICH ATTEMPTS TO INFLUENCE LEGISLATION. FURTHER, OBSERVATORY STAFF, IN THE COURSE OF NECESSARY COMMUNICATIONS WITH GOVERNMENT OFFICIALS AND INFORMATIONAL PUBLIC EDUCATION ACTIVITIES, MAY FROM TIME TO TIME ENGAGE IN COMMUNICATION WHICH MAY BE CONSIDERED TO INFLUENCE LEGISLATION. THE OBSERVATORY IS A MEMBER OF CERTAIN PROFESSIONAL ORGANIZATIONS THAT HAVE REGISTERED TO LOBBY ON BEHALF OF MEMBERSHIP. ALTHOUGH A SMALL PORTION OF THE OBSERVATORY'S MEMBERSHIP DUES MAY BE USED FOR LOBBYING, THE AMOUNT IS IMMATERIAL. CARA'S MEMBERSHIP IN THESE ORGANIZATIONS IS FOR THE PURPOSE OF HAVING ACCESS TO THE MOST CURRENT INFORMATION ON GOVERNMENT AND BUSINESS DEVELOPMENTS AS THEY RELATE TO OBSERVATORIES AND NOT FOR A LOBBYING EFFORT.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>155022552</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>121189843</DepreciationAmt>
        <BookValueAmt>33832709</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>33832709</TotalBookValueLandBuildingsAmt>
      <OtherSecuritiesGrp>
        <Desc>UNIVERSITY OF CALIFORNIA GENERAL ENDOWMENT POOL</Desc>
        <BookValueAmt>18864335</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>UNIVERSITY OF CALIFORNIA TOTAL RETURN INVESTMENT POOL</Desc>
        <BookValueAmt>1218172</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <TotalBookValueSecuritiesAmt>20082507</TotalBookValueSecuritiesAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>30726429</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>619860</NetUnrealizedGainsInvstAmt>
      <RevenueNotReportedAmt>619860</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>30106569</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>30106569</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>33961961</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>33961961</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>33961961</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>CARA HAS RECEIVED A DETERMINATION FROM TAXING AUTHORITIES THAT IT IS AN ORGANIZATION EXEMPT FROM TAXATION UNDER SECTION 501(C)(3) OF THE U.S. INTERNAL REVENUE CODE AND SECTION 23701D OF THE CALIFORNIA REVENUE AND TAXATION CODE AND IS GENERALLY NOT SUBJECT TO FEDERAL OR STATE INCOME TAXES. HOWEVER, CARA IS SUBJECT TO INCOME TAXES ON ANY NET INCOME DERIVED FROM A TRADE OR BUSINESS, REGULARLY CARRIED ON, AND NOT IN FURTHERANCE OF THE PURPOSES FOR WHICH IT WAS GRANTED EXEMPTION. NO INCOME TAX PROVISION HAS BEEN RECORDED AS THE NET INCOME, IF ANY FROM ANY UNRELATED TRADE OR BUSINESS, IN THE OPINION OF MANAGEMENT, IS NOT MATERIAL TO THE FINANCIAL STATEMENTS TAKEN AS A WHOLE. CARA APPLIES THE PROVISIONS OF ASC TOPIC 740, INCOME TAXES, WHICH PRESCRIBES A RECOGNITION THRESHOLD AND MEASUREMENT ATTRIBUTE FOR THE FINANCIAL STATEMENT RECOGNITION AND MEASUREMENT OF A TAX POSITION TAKEN OR EXPECTED TO BE TAKEN IN A TAX RETURN, AND PROVIDES GUIDANCE ON DERECOGNITION, CLASSIFICATION, INTEREST, AND PENALTIES, DISCLOSURE, AND TRANSITION. MANAGEMENT BELIEVES THAT NO SUCH UNCERTAIN TAX POSITION EXISTS FOR CARA REQUIRING ACCRUAL OR DISCLOSURE AT SEPTEMBER 30, 2025 AND 2024. CARA IS NO LONGER SUBJECT TO U.S. FEDERAL INCOME TAX EXAMINATIONS BY TAX AUTHORITIES FOR YEARS BEFORE 2022.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART VI, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE LAND IN WAIMEA IS OWNED BY CALIFORNIA INSTITUTE OF TECHNOLOGY AND IS NOT LISTED AS A CARA FIXED ASSET.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART VI, LINE 1B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE HEADQUARTERS BUILDING IN WAIMEA AND THE OBSERVATORIES ON MAUNAKEA ARE OWNED BY CALIFORNIA INSTITUTE OF TECHNOLOGY AND ARE NOT LISTED AS CARA FIXED ASSETS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART VI, LINE 1D</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TELESCOPES ON MAUNAKEA ARE OWNED BY CALIFORNIA INSTITUTE OF TECHNOLOGY AND ARE NOT LISTED AS CARA FIXED ASSETS. CARA OWNS MOST FOCAL-PLANE INSTRUMENTS, LASERS, AND ADAPTIVE OPTICS, PLUS VARIOUS OTHER EQUIPMENT NOT AFFIXED TO THE FACILITIES, COMPUTERS, AND VEHICLES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART VII, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>THE UNIVERSITY OF CALIFORNIA TOTAL RETURN INVESTMENT POOL AND GENERAL ENDOWMENT POOL ARE UNITIZED FUNDS WHEREBY CARA PARTICIPATES IN INVESTMENT RETURNS AND INCOME ON AN EQUIVALENT PRO-RATA BASIS WITH ALL PARTICIPANTS IN THE POOL.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="RetDoc1040500001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>NORTH AMERICA (INCLUDING CANADA AND MEXICO)</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SYSTEMS ENGINEERING CONSULTANT</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>12960</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>NORTH AMERICA (INCLUDING CANADA AND MEXICO)</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SCIENCE ARTIST</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>1750</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND AND GREENLAND)</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>DESIGN AND FABRICATION OF DEFORMABLE MIRROR</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>486041</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND AND GREENLAND)</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>ASSISTANCE WITH INVESTIGATION INTO MOSFIRE SOFTWARE</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>6755</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND AND GREENLAND)</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>DESIGN AND FABRICATION OF 2 REAL-TIME CONTROLLERS</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>259430</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND AND GREENLAND)</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SYSTEMS ENGINEERING SERVICES</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>29728</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND AND GREENLAND)</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SYSTEM DESIGN AND ANALYSIS ASM</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>60000</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND AND GREENLAND)</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>DESIGN AND SUPPORT FOR LASER INSTRUMENTATION</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>41363</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EAST ASIA AND THE PACIFIC</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>CONSULTING SUPPORT FOR AO OPERATIONS</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>67500</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND AND GREENLAND)</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>AO SOFTWARE CONSULTING</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>124002</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EAST ASIA AND THE PACIFIC</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES - TRAVEL</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>RESEARCH VISITS AND COLLABORATIVE SCIENTIFIC MEETINGS</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>1578</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EAST ASIA AND THE PACIFIC</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES - TRAVEL</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>RESEARCH VISITS AND COLLABORATIVE SCIENTIFIC MEETINGS</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>5005</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EAST ASIA AND THE PACIFIC</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES - TRAVEL</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>RESEARCH VISITS AND COLLABORATIVE SCIENTIFIC MEETINGS</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>1578</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EAST ASIA AND THE PACIFIC</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES - TRAVEL</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>RESEARCH VISITS AND COLLABORATIVE SCIENTIFIC MEETINGS</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>2104</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EAST ASIA AND THE PACIFIC</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES - TRAVEL</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>RESEARCH VISITS AND COLLABORATIVE SCIENTIFIC MEETINGS</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>2111</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND AND GREENLAND)</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES - TRAVEL</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>RESEARCH VISITS AND COLLABORATIVE SCIENTIFIC MEETINGS</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>4010</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalOfficesCnt>0</SubtotalOfficesCnt>
      <SubtotalEmployeesCnt>8</SubtotalEmployeesCnt>
      <ContinuationTotalOfficeCnt>0</ContinuationTotalOfficeCnt>
      <ContinuationTotalEmployeeCnt>8</ContinuationTotalEmployeeCnt>
      <TotalOfficeCnt>0</TotalOfficeCnt>
      <TotalEmployeeCnt>16</TotalEmployeeCnt>
      <SubtotalSpentAmt>898027</SubtotalSpentAmt>
      <ContinuationSpentAmt>207888</ContinuationSpentAmt>
      <TotalSpentAmt>1105915</TotalSpentAmt>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EAST ASIA AND THE PACIFIC</RegionTxt>
        <PurposeOfGrantTxt>ASSISTANCE FOR NEW INSTRUMENT DESIGN STUDIES, INSTRUMENT UPGRADE PROPOSALS, AND OTHER PROPOSALS TO IMPROVE THE OBSERVATORY'S SCIENTIFIC PRODUCTIVITY (KECK ADAPTIVE SECONDARY MIRRORS)</PurposeOfGrantTxt>
        <CashGrantAmt>25000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <Total501c3OrgCnt>1</Total501c3OrgCnt>
      <TotalOtherOrgCnt>0</TotalOtherOrgCnt>
      <TransferToForeignCorpInd>0</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>0</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>0</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>0</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>0</ForeignPartnershipInd>
      <BoycottCountriesInd>0</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>CARA MONITORS GRANTEES' PERFORMANCE BASED ON ACHIEVEMENT OF GRANT PURPOSES ACCORDING TO FEDERAL, STATE, AND PRIVATE FOUNDATION CONDITIONS AND COMPLIANCE IN ADDITION TO CARA'S INTERNAL PROCEDURES INCLUDING THE BEST PRACTICES UNDER OMB UNIFORM GUIDANCE SUB-RECIPIENT MONITORING REQUIREMENTS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleF>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>CALIFORNIA INSTITUTE OF TECHNOLOGY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1200 E CALIFORNIA BLVD</AddressLine1Txt>
          <CityNm>PASADENA</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>946075200</ZIPCd>
        </USAddress>
        <RecipientEIN>951643307</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>526813</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>SUBAWARD FOR KCWI MECHANICAL COOLING RETROFIT; AWARD FOR THE UPGRADE OF THE DEIMOS DETECTOR</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>UC SANTA CRUZ FOUNDATION</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1156 HIGH ST</AddressLine1Txt>
          <CityNm>SANTA CRUZ</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>95064</ZIPCd>
        </USAddress>
        <RecipientEIN>237394590</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>15900</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>ASSISTANCE FOR NEW INSTRUMENT DESIGN STUDIES, INSTRUMENT UPGRADE PROPOSALS, AND OTHER PROPOSALS TO IMPROVE THE OBSERVATORYS SCIENTIFIC PRODUCTIVITY.</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>UNIVERSITY OF CALIFORNIA BERKELEY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>2150 SHATTUCK AVENUE</AddressLine1Txt>
          <CityNm>BERKELEY</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>947045940</ZIPCd>
        </USAddress>
        <RecipientEIN>946002123</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>300280</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>SUBAWARD FOR KECK PLANET FINDER MECHANICAL COOLING UPGRADE</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>UNIVERSITY OF CALIFORNIA SANTA CRUZ</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1156 HIGH ST</AddressLine1Txt>
          <CityNm>SANTA CRUZ</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>95064</ZIPCd>
        </USAddress>
        <RecipientEIN>941539563</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>611067</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>AWARD FOR ASTROPHYSICS ENABLED BY HIGH ORDER ADVANCED KECK ADAPTIVE OPTICS (HAKA); AWARD FOR THE DEVELOPMENT OF THE SLICER COMBINED WITH AN ARRAY OF LENSLETS FOR EXOPLANET SPECTROSCOPY SCALES</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>UNIVERSITY OF HAWAII</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>2425 CAMPUS ROAD</AddressLine1Txt>
          <CityNm>HONOLULU</CityNm>
          <StateAbbreviationCd>HI</StateAbbreviationCd>
          <ZIPCd>968222247</ZIPCd>
        </USAddress>
        <RecipientEIN>996000354</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>99881</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>SUB-AWARD UNDER THE FEDERALLY FUNDED AST-1836016 FOR THE DEVELOPMENT OF ASTROPHYSICS ENABLED BY KECK ALL SKY PRECISION ADAPTIVE OPTICS KAPA; ASSISTANCE FOR NEW INSTRUMENT DESIGN STUDIES, INSTRUMENT UPGRADE PROPOSALS, AND OTHER PROPOSALS TO IMPROVE THE OBSERVATORYS SCIENTIFIC PRODUCTIVITY.</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>UNIVERSITY OF NOTRE DAME</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>940 GRACE HALL</AddressLine1Txt>
          <CityNm>NOTRE DAME</CityNm>
          <StateAbbreviationCd>IN</StateAbbreviationCd>
          <ZIPCd>46556</ZIPCd>
        </USAddress>
        <RecipientEIN>350868188</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>98748</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>AWARD FOR THE UPGRADE OF THE DEIMOS DETECTOR</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>UC OBSERVATORIESUC SANTA CRUZ</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1156 HIGH ST</AddressLine1Txt>
          <CityNm>SANTA CRUZ</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>95064</ZIPCd>
        </USAddress>
        <RecipientEIN>951643307</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>9140</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>AWARD FOR UPGRADE SOFTWARE DEIMOS TO SUPPORT ADD'L SCOPE TO CONTROL TWO NEW DETECTORS</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>7</Total501c3OrgCnt>
      <TotalOtherOrgCnt>0</TotalOtherOrgCnt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>W.M. KECK OBSERVATORY MONITORS GRANTEES' PERFORMANCE BASED ON ACHIEVEMENT OF GRANT PURPOSES ACCORDING TO FEDERAL, STATE, AND PRIVATE FOUNDATION CONDITIONS AND COMPLIANCE IN ADDITION TO WMKO INTERNAL PROCEDURES, INCLUDING UNIFORM GUIDANCE SUB-RECIPIENT MONITORING.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <FirstClassOrCharterTravelInd>X</FirstClassOrCharterTravelInd>
      <WrittenPolicyRefTAndEExpnssInd>1</WrittenPolicyRefTAndEExpnssInd>
      <SubstantiationRequiredInd>1</SubstantiationRequiredInd>
      <Form990OfOtherOrganizationsInd>X</Form990OfOtherOrganizationsInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>1</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MR RICHARD MATSUDA</PersonNm>
        <TitleTxt>INTERIM OBS. DIRECTOR/ ASS</TitleTxt>
        <BaseCompensationFilingOrgAmt>323963</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>24644</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>47079</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>39318</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>435004</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DR JOHN O'MEARA</PersonNm>
        <TitleTxt>CHIEF SCIENTIST</TitleTxt>
        <BaseCompensationFilingOrgAmt>268448</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>27503</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>27271</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>42776</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>365998</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MS MARGARITA SCHEFFEL</PersonNm>
        <TitleTxt>OBSERVATORY CFO</TitleTxt>
        <BaseCompensationFilingOrgAmt>273603</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>37955</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>44755</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>356313</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DR PETER WIZINOWICH</PersonNm>
        <TitleTxt>CHIEF OF TECHNICAL DEVELOP</TitleTxt>
        <BaseCompensationFilingOrgAmt>236911</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>6925</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>31832</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>34615</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>310283</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MR ED HARRIS</PersonNm>
        <TitleTxt>CHIEF DEVELOPMENT OFFICER</TitleTxt>
        <BaseCompensationFilingOrgAmt>241302</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>19574</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>43703</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>304579</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MR JEFFREY HUBER</PersonNm>
        <TitleTxt>CHIEF OPERATIONS OFFICER</TitleTxt>
        <BaseCompensationFilingOrgAmt>175204</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>66313</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>25480</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>24359</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>291356</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>FIRST-CLASS TRAVEL PROVIDED TO MR. ED HARRIS AS MEDICAL CONDITION REQUIRING COMFORT SEATING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>ANNUALLY THE CARA BOARD EXECUTIVE COMMITTEE REVIEWS AND APPROVES THE COMPENSATION OF THE DIRECTOR USING MARKET COMPENSATION STUDIES WHICH MAY INCLUDE OTHER FORM 990 RETURNS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 7</FormAndLineReferenceDesc>
        <ExplanationTxt>CARA HAS AN OBSERVATORY-WIDE BONUS PROGRAM FOR WHICH ALL CARA EMPLOYEES ARE ELIGIBLE TO BE NOMINATED BY OTHER CARA EMPLOYEES FOR ACHIEVEMENTS BASED ON NON-REVENUE CRITERIA.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART I, LINE 1, DESCRIPTION OF ORGANIZATION MISSION:</FormAndLineReferenceDesc>
        <ExplanationTxt>TO ADVANCE THE FRONTIERS OF ASTRONOMY AND SHARE OUR DISCOVERIES WITH THE WORLD. CARA WAS FORMED BY THE REGENTS OF THE UNIVERSITY OF CALIFORNIA AND CALIFORNIA INSTITUTE OF TECHNOLOGY TO OPERATE TWO 10-METER OPTICAL/INFRARED TELESCOPES ON MAUNAKEA ON THE ISLAND OF HAWAI'I.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART III, LINE 1, DESCRIPTION OF ORGANIZATION MISSION:</FormAndLineReferenceDesc>
        <ExplanationTxt>TO ADVANCE THE FRONTIERS OF ASTRONOMY AND SHARE OUR DISCOVERIES WITH THE WORLD. THE TWO 10-METER TELESCOPES OF KECK OBSERVATORY ARE THE WORLD'S LARGEST OPTICAL AND INFRARED TELESCOPES. THEY HAVE REVOLUTIONIZED OUR UNDERSTANDING OF THE COSMOS, IMPACTING EVERY AREA OF ASTRONOMY AND ASTROPHYSICS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART III, LINE 4A, DESCRIPTION OF PROGRAM SERVICE:</FormAndLineReferenceDesc>
        <ExplanationTxt>HIGHER EDUCATION: THE W. M. KECK OBSERVATORY OPERATES TWO 10-METER OPTICAL AND INFRARED TELESCOPES DEDICATED TO ASTRONOMICAL RESEARCH YEAR-ROUND. THE OBSERVATORY PROVIDES APPROXIMATELY 700 NIGHTS OF OBSERVING TIME ANNUALLY (ESTIMATED) AND MAINTAINS A SUITE OF ADVANCED SCIENTIFIC INSTRUMENTS AND ADAPTIVE OPTICS SYSTEMS THAT ENABLE SOME OF THE HIGHEST-RESOLUTION GROUND-BASED ASTRONOMICAL OBSERVATIONS IN THE WORLD. OBSERVING TIME IS ALLOCATED AMONG THE CALIFORNIA INSTITUTE OF TECHNOLOGY, THE UNIVERSITY OF CALIFORNIA, NASA-SUPPORTED PROGRAMS, THE UNIVERSITY OF HAWAI'I, AND OTHER SCIENTIFIC PARTNERSHIPS, PROVIDING BROAD ACCESS TO THE INTERNATIONAL RESEARCH COMMUNITY. DURING FISCAL YEAR 2025, THE OBSERVATORY SUPPORTED ASTRONOMICAL AND PLANETARY SCIENCE INVESTIGATIONS SPANNING EXOPLANETS, THE SOLAR SYSTEM, STELLAR EVOLUTION, THE MILKY WAY, DISTANT GALAXIES, BLACK HOLES, AND COSMOLOGY. THE OBSERVATORY ALSO CONTINUED DEVELOPMENT AND ENHANCEMENT OF ADVANCED INSTRUMENTATION AND ADAPTIVE OPTICS TECHNOLOGIES DESIGNED TO IMPROVE SCIENTIFIC CAPABILITY AND EXPAND FUTURE DISCOVERY OPPORTUNITIES. RESEARCH PROGRAMS AND TECHNICAL DEVELOPMENT ACTIVITIES WERE FURTHER SUPPORTED THROUGH GRANTS AND SCIENTIFIC PARTNERSHIPS THAT ADVANCE BOTH ASTRONOMICAL RESEARCH AND INSTRUMENT INNOVATION. OBSERVATORY FACILITIES SUPPORTED PRINCIPAL INVESTIGATORS WHO CONTRIBUTED TO 371 PEER-REVIEWED SCIENTIFIC PUBLICATIONS DURING THE YEAR. THE OBSERVATORY'S LONG-TERM OBJECTIVE IS TO ADVANCE HUMANITY'S UNDERSTANDING OF THE UNIVERSE BY PROVIDING WORLD-LEADING ASTRONOMICAL RESEARCH CAPABILITIES, DEVELOPING NEXT-GENERATION OBSERVING TECHNOLOGIES, AND ENABLING DISCOVERIES THAT CONTRIBUTE TO THE SCIENTIFIC LITERATURE, EDUCATE FUTURE SCIENTISTS AND ENGINEERS, AND EXPAND KNOWLEDGE OF OUR SOLAR SYSTEM, GALAXY, AND THE BROADER COSMOS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>BOARD MEMBERS GEORGE BLUMENTHAL, NATHAN BOSTROM, BRUCE MACINTOSH AND KATHERINE NEWMAN HAD A BUSINESS RELATIONSHIP THROUGH THE UNIVERSITY OF CALIFORNIA. B. THOMAS SOIFER, FIONA HARRISON AND CHRIS MARTIN HAD A BUSINESS RELATIONSHIP THROUGH CALIFORNIA INSTITITUTE OF TECHNOLOGY. CALIFORNIA INSTITUTE OF TECHNOLOGY AND THE UNIVERSITY OF CALIFORNIA PROVIDE VARIOUS INSTRUMENT AND ADAPTIVE OPTICS DEVELOPMENT SERVICES TO CARA. DURING TAX YEAR 2024, TOTAL EXPENDITURES FOR THESE SERVICES CHARGED TO CARA WERE $590,165 BY CALTECH, AND $961,514 BY THE UNIVERSITY OF CALIFORNIA.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>A DRAFT FORM 990 IS PROVIDED TO THE AUDIT AND COMPLIANCE COMMITTEE FOR REVIEW AND COMMENT. AFTER ANY REQUIRED CHANGES ARE MADE AND PRIOR TO FILING, MANAGEMENT DISTRIBUTES A COPY TO THE BOARD INDICATING WHO PREPARED AND REVIEWED THE FORM 990, AND WHO WILL SIGN AND FILE THE FORM BY THE DUE DATE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ANNUALLY EACH BOARD MEMBER IS REQUIRED TO DISCLOSE AND SIGN A BOARD GOVERNANCE DOCUMENT INDICATING ANY BUSINESS, PERSONAL OR FAMILY RELATIONSHIPS WITH OTHER BOARD MEMBERS, STAFF OR MAJOR VENDORS INVOLVING THEMSELVES AND/OR THEIR FAMILY MEMBERS. THE SIGNED DISCLOSURES ARE THEN REVIEWED BY THE AUDIT AND COMPLIANCE COMMITTEE AND THE AUDIT AND COMPLIANCE COMMITTEE CHAIR NOTIFIES THE BOARD OF ANY CONFLICTS SUFFICIENT TO WARRANT THE ATTENTION OF THE BOARD. KEY EMPLOYEES AND THE FIVE HIGHEST COMPENSATED EMPLOYEES ARE REQUIRED TO DISCLOSE AND SIGN AN ANNUAL INFORMATION REQUEST INDICATING ANY FAMILY OR BUSINESS RELATIONSHIPS THAT MAY IMPACT ORGANIZATIONAL MANAGEMENT AND GOVERNANCE. FORM 990, PART VI, SECTION B, LINE 13 WHISTLEBLOWER POLICY: HAWAII STATE LABOR LAWS REQUIRE POSTING OF THE STATE'S WHISTLEBLOWER PROTECTION LAW NOTICE WHICH OUTLINES A STANDARD WHISTLEBLOWER PROCESS. CARA COMPLIED WITH THE WORKPLACE LABOR POSTING LAWS DURING TAX YEAR 2024. FORM 990, PART VI, SECTION B, LINE 14 RECORDS RETENTION: FINANCIAL RECORDS FOLLOW BOTH THE IRS RETENTION GUIDELINES AND THE REQUIREMENTS OF THE FEDERAL GOVERNMENT FOR FEDERAL AWARDS ISSUED UNDER OMB UNIFORM GUIDANCE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>PROCESS FOR DETERMINING COMPENSATION FOR THE DIRECTOR: ANNUALLY THE CARA BOARD EXECUTIVE COMMITTEE REVIEWS AND APPROVES THE DIRECTOR'S COMPENSATION USING MARKET COMPENSATION STUDIES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNANCE DOCUMENTS AND CONFLICT OF INTEREST POLICIES ARE MADE AVAILABLE UPON REQUEST. FINANCIAL STATEMENTS IN THE FORM OF AN ANNUAL AUDIT ARE PUBLISHED ON THE CARA WEBSITE AT WWW.KECKOBSERVATORY.ORG</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS NOT CHANGED EITHER ITS OVERSIGHT PROCESS OR SELECTION PROCESS DURING THE YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>