Nonprofit · EIN 02-0513199
MDM OBSERVATORY CONSORTIUM INC
Tax-exempt · HANOVER, NH 03755
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $577,696 | $465,947 | $111,749 | $1,697,884 | $0 | $1,697,884 |
| June 30, 2024 | 990 | $669,357 | $542,174 | $127,183 | $1,586,136 | $0 | $1,586,136 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $0
- Program service revenue
- $504,840
- Investment income
- $72,856
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Occupancy
- $28,695
- Travel
- $1,398
- Depreciation
- $22,310
- Program services (functional)
- $465,947
Balance sheet and other
- Total assets, start of year
- $1,586,136
- Total assets, end of year
- $1,697,884
- Total liabilities, end of year
- $0
- Net assets, end of year
- $1,697,884
- Land, buildings and equipment
- $72,063
- Net assets without donor restrictions
- $1,697,884
- Gross receipts
- $577,696
- Employees
- 0
- Volunteers
- 6
- Year formed
- 1998
- State of legal domicile
- NH
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| John Thorstensen | President/Trustee Trustee or director, Officer | 1 | $0 |
| Jules Halpern | Secretary/Trustee Trustee or director, Officer | 0.1 | $0 |
| Christopher Miller | Trustee Trustee or director | 0.1 | $0 |
| Douglas Clowe | Trustee Trustee or director | 0.1 | $0 |
| Krzysztof Stanek | Trustee Trustee or director | 0.1 | $0 |
| Kate Soule | Treasurer Officer | 0.3 | $0 |
990 for the year ended June 30, 2024: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| John Thorstensen | President/Trustee Trustee or director, Officer | 1 | $0 |
| Jules Halpern | Secretary/Trustee Trustee or director, Officer | 0.1 | $0 |
| Christopher Miller | Trustee Trustee or director | 0.1 | $0 |
| Douglas Clowe | Trustee Trustee or director | 0.1 | $0 |
| Krzysztof Stanek | Trustee Trustee or director | 0.1 | $0 |
| Kate Soule | Treasurer Officer | 0.3 | $0 |
Address and contacts
- Address (IRS master file)
- C/O DARTMOUTH 7 LEBANON ST NO 302, HANOVER, NH 03755-0000
- In care of
- % DARTMOUTH
- Principal officer (990 for 2024)
- John Thorstensen, c/o Dartmouth 7 Lebanon St No 302, Hanover, NH 03755
- Signed the 990
- Kate Soule, Treasurer
- Phone
- (603) 646-3011
- Website
- http://mdm.kpno.noirlab.edu
Mission
MDM Observatory Consortium, Inc.'s mission is to provide opportunities for education and research in the fields of astronomy and astrophysics; to promote and advance the studies of astronomy, astrophysics and related fields; to own, lease, operate, acquire, purchase, dispose of, transfer, sell and otherwise deal with facilities appropriate to the foregoing purposes including without limitation, observatories, telescopes, and other items.
Program accomplishments
- The function of the Consortium is to own and operate an astronomical observatory to provide opportunities for scientific research and education for the faculty, research scientists, and students of its member institutions.Expenses $465,947 · revenue $504,840
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 02-0513199
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Organization supporting a government college or university
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2006
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Education (B054)
- Assets (IRS master file)
- $1,697,884
- Income (IRS master file)
- $577,696
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $577,696 | $465,947 | $1,697,884 | XML |
| 990 | June 2024 | $669,357 | $542,174 | $1,586,136 | XML |
| 990 | June 2023 | $607,336 | $661,352 | $1,458,953 | IRS |
| 990 | June 2022 | – | – | – | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | IRS |
| 990 | June 2019 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 02-0513199).
Questions about MDM OBSERVATORY CONSORTIUM INC
- What is the EIN of MDM OBSERVATORY CONSORTIUM INC?
- The employer identification number (EIN) of MDM OBSERVATORY CONSORTIUM INC is 02-0513199.
- Is MDM OBSERVATORY CONSORTIUM INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2006.
- Are donations to MDM OBSERVATORY CONSORTIUM INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does MDM OBSERVATORY CONSORTIUM INC file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of MDM OBSERVATORY CONSORTIUM INC due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did MDM OBSERVATORY CONSORTIUM INC last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of MDM OBSERVATORY CONSORTIUM INC?
- The 990 for the year ended June 30, 2025 names John Thorstensen.
- Who are the officers and directors of MDM OBSERVATORY CONSORTIUM INC?
- The 990 for the year ended June 30, 2025 lists 6 people; 0 received compensation from the organization.
- How much revenue does MDM OBSERVATORY CONSORTIUM INC have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $577,696, expenses of $465,947 and total assets of $1,697,884 at year end.
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