﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" returnVersion="2023v5.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2024-11-13T06:00:02Z</ReturnTs>
    <TaxPeriodEndDt>2024-06-30</TaxPeriodEndDt>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-07-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>931205364</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>ROSE CITY ASTRONOMERS</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>ROSE</BusinessNameControlTxt>
      <PhoneNum>5038167265</PhoneNum>
      <USAddress>
        <AddressLine1Txt>1945 SE WATER AVE</AddressLine1Txt>
        <CityNm>PORTLAND</CityNm>
        <StateAbbreviationCd>OR</StateAbbreviationCd>
        <ZIPCd>97214</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>Larry Godsey</PersonNm>
      <PersonTitleTxt>Treasuretr</PersonTitleTxt>
      <PhoneNum>5038167826</PhoneNum>
      <SignatureDt>2024-11-13</SignatureDt>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>true</IRSResponsiblePrtyInfoCurrInd>
    <TaxYr>2023</TaxYr>
    <BuildTS>2024-10-15 13:58:12Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="3">
    <IRS990EZ documentId="POSTCARDb3474db">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>rosecityastronomers.org</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="990xScheduleA" referenceDocumentName="IRS990ScheduleA">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>65808</GrossReceiptsAmt>
      <ContributionsGiftsGrantsEtcAmt>14449</ContributionsGiftsGrantsEtcAmt>
      <ProgramServiceRevenueAmt>13211</ProgramServiceRevenueAmt>
      <MembershipDuesAmt>24780</MembershipDuesAmt>
      <InvestmentIncomeAmt>3130</InvestmentIncomeAmt>
      <SaleOfAssetsGrossAmt>6019</SaleOfAssetsGrossAmt>
      <CostOrOtherBasisExpenseSaleAmt>0</CostOrOtherBasisExpenseSaleAmt>
      <GainOrLossFromSaleOfAssetsAmt>6019</GainOrLossFromSaleOfAssetsAmt>
      <GamingGrossIncomeAmt>0</GamingGrossIncomeAmt>
      <FundraisingGrossIncomeAmt>0</FundraisingGrossIncomeAmt>
      <SpecialEventsDirectExpensesAmt>0</SpecialEventsDirectExpensesAmt>
      <SpecialEventsNetIncomeLossAmt>0</SpecialEventsNetIncomeLossAmt>
      <GrossSalesOfInventoryAmt>4219</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>3254</CostOfGoodsSoldAmt>
      <GrossProfitLossSlsOfInvntryAmt>965</GrossProfitLossSlsOfInvntryAmt>
      <OtherRevenueTotalAmt>0</OtherRevenueTotalAmt>
      <TotalRevenueAmt>62554</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>0</GrantsAndSimilarAmountsPaidAmt>
      <BenefitsPaidToOrForMembersAmt>4960</BenefitsPaidToOrForMembersAmt>
      <SalariesOtherCompEmplBnftAmt>0</SalariesOtherCompEmplBnftAmt>
      <FeesAndOtherPymtToIndCntrctAmt>0</FeesAndOtherPymtToIndCntrctAmt>
      <OccupancyRentUtltsAndMaintAmt>0</OccupancyRentUtltsAndMaintAmt>
      <PrintingPublicationsPostageAmt>72</PrintingPublicationsPostageAmt>
      <OtherExpensesTotalAmt>95295</OtherExpensesTotalAmt>
      <TotalExpensesAmt>100327</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>-37773</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>147235</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>55000</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>164462</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>147235</BOYAmt>
        <EOYAmt>109462</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <LandAndBuildingsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>55000</EOYAmt>
      </LandAndBuildingsGrp>
      <OtherAssetsTotalDetail>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>147235</BOYAmt>
        <EOYAmt>164462</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>147235</BOYAmt>
        <EOYAmt>164462</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <PrimaryExemptPurposeTxt>Advancement of Astronomy to members the public</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>0</DescriptionProgramSrvcAccomTxt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>0</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>James Todd</PersonNm>
        <TitleTxt>President</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>0.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Duncan Kitchin</PersonNm>
        <TitleTxt>Secretary</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>0.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Larry Godsey</PersonNm>
        <TitleTxt>Treasurer</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>0.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Ken Hose</PersonNm>
        <TitleTxt>VP Membership</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>0.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Mark Martin</PersonNm>
        <TitleTxt>VP Programming</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>0.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Matt Vartanian</PersonNm>
        <TitleTxt>VP Observing</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>0.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Ali Tubbs</PersonNm>
        <TitleTxt>VP Outreach</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>0.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Chris Arnensen</PersonNm>
        <TitleTxt>VP Communications</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>0.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
      <DirectIndirectPltclExpendAmt>0</DirectIndirectPltclExpendAmt>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <TaxImposedUnderIRC4911Amt>0</TaxImposedUnderIRC4911Amt>
      <TaxImposedUnderIRC4912Amt>0</TaxImposedUnderIRC4912Amt>
      <TaxImposedUnderIRC4955Amt>0</TaxImposedUnderIRC4955Amt>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <TaxImposedOnOrganizationMgrAmt>0</TaxImposedOnOrganizationMgrAmt>
      <TaxReimbursedByOrganizationAmt>0</TaxReimbursedByOrganizationAmt>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <BooksInCareOfDetail>
        <PersonNm>Larry Godsey</PersonNm>
        <USAddress>
          <AddressLine1Txt>2846 Carriage Way</AddressLine1Txt>
          <CityNm>West Linn</CityNm>
          <StateAbbreviationCd>OR</StateAbbreviationCd>
          <ZIPCd>97068</ZIPCd>
        </USAddress>
        <PhoneNum>5038167265</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>
                            false
                        </ForeignFinancialAccountInd>
      <ForeignOfficeInd>
                            false
                        </ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="990xScheduleA">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContriRcvd170Grp></GiftsGrantsContriRcvd170Grp>
      <TaxRevLeviedOrgnztnlBnft170Grp></TaxRevLeviedOrgnztnlBnft170Grp>
      <GovtFurnSrvcFcltsVl170Grp></GovtFurnSrvcFcltsVl170Grp>
      <TotalCalendarYear170Grp></TotalCalendarYear170Grp>
      <PublicSupportTotal170Amt>0</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp></GrossInvestmentIncome170Grp>
      <UnrelatedBusinessNetIncm170Grp></UnrelatedBusinessNetIncm170Grp>
      <OtherIncome170Grp></OtherIncome170Grp>
      <TotalSupportAmt>0</TotalSupportAmt>
      <PublicSupportCY170Pct>0</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0</PublicSupportPY170Pct>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>22468</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>22159</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>23304</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>25714</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>38243</CurrentTaxYearAmt>
        <TotalAmt>131888</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>12319</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>6366</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>14564</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>23816</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>23449</CurrentTaxYearAmt>
        <TotalAmt>80514</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <GrossReceiptsNonUnrltBusGrp></GrossReceiptsNonUnrltBusGrp>
      <TaxRevLeviedOrgnztnlBnft509Grp></TaxRevLeviedOrgnztnlBnft509Grp>
      <GovtFurnSrvcFcltsVl509Grp></GovtFurnSrvcFcltsVl509Grp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>34787</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>28525</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>37868</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>49530</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>61692</CurrentTaxYearAmt>
        <TotalAmt>212402</TotalAmt>
      </Total509Grp>
      <AmountsRcvdDsqlfyPersonGrp></AmountsRcvdDsqlfyPersonGrp>
      <SubstantialContributorsAmtGrp></SubstantialContributorsAmtGrp>
      <SubstAndDsqlfyPrsnsTotGrp></SubstAndDsqlfyPrsnsTotGrp>
      <PublicSupportTotal509Amt>212402</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>1228</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>774</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>48</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1088</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>4115</CurrentTaxYearAmt>
        <TotalAmt>7253</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <Post1975UBTIGrp></Post1975UBTIGrp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>1228</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>774</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>48</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1088</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>4115</CurrentTaxYearAmt>
        <TotalAmt>7253</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <NetIncomeFromOtherUBIGrp></NetIncomeFromOtherUBIGrp>
      <OtherIncome509Grp></OtherIncome509Grp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>36015</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>29299</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>37916</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>50618</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>65807</CurrentTaxYearAmt>
        <TotalAmt>219655</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.97</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.98</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.033</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.0154</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
      <Form990SchAType3FuncIntGrp></Form990SchAType3FuncIntGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleO documentId="990xScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule O:</FormAndLineReferenceDesc>
        <ExplanationTxt>Part 1.16 - - Insurance, Legal Fees, Misc Expenses, Membership, Communications, Observing Programs, Outreach &amp; Education, Telescope Library, Book Library, Membership Programs, Public Programs and Speakers and purchased a property for club members use. Part 1.20 - - We purchased a property for $55,000 for use by our club members for nighttime dark sky viewing.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>