Liabilities / Assets
60th percentile
Tied with the lowest-debt nonprofits in its peer group.
Oklahoma City Astronomy Club
EIN 73-1532941 • 501(c)3 • Oklahoma City, OK
Pub. 78 Eligible990-N Coverage
Profile
Public education regarding astronomy
Siviq Scores
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
0.00x
Liabilities / Revenue
62nd percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
74th percentile
Higher net margin than 74% of similar nonprofits.
Top Officer Pay
81st percentile
Higher top officer pay than 81% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
67th percentile
Faster asset growth than 67% of similar nonprofits.
Revenue Growth
36th percentile
Faster revenue growth than 36% of similar nonprofits.
Balance Sheet
Assets
Up$173,392
Up $14,785 (+9.3%) from 2024
Liabilities
Flat$0
Flat from 2024
Net Assets
Up$173,392
Up $14,785 (+9.3%) from 2024
Revenue
Down$74,943
Down $15,366 (-17%) from 2024
Expenses
Down$60,158
Down $5,702 (-8.7%) from 2024
Net Income
Down$14,785
Down $9,664 (-40%) from 2024
Trend Graphs
Filings
Most recent year
2025 • Form 990EZDetailed filing. Detailed filing data is available for this year.
- Assets
- $173,392
- Liabilities
- $0
- Net assets
- $173,392
- Revenue
- $74,943
- Expenses
- $60,158
- Net income
- $14,785
Latest Filing Detail
Jump To
Filing Snapshot
- Filing Period
- Jan 1, 2025 to Dec 31, 2025
- Signed
- Feb 16, 2026
- Return Version
- 2025v4.0
- Gross Receipts
- $81,574
Mission and Program Overview
Mission
Public education regarding astronomy
Program Services
| Description | Grants | Expenses |
|---|---|---|
| Conduct annual Okie-Tex Star Party near Kenton, OK, a gathering of 300-500 amateur astronomers from the U.S. and other countries to observe, photograph and discuss astronomical objects, topics, and techniques. Received donation of astro eqmt for door prizes and supplies, FMV $2,760. | $5,000 | $51,574 |
| Operate and maintain Cheddar Ranch Observatory near Watonga, OK, a dark-sky facility serving 300-500 people annually, including club members, students, scout groups & general public, where they observe and photograph astronomical objects. Received donation of castors for observatory roll-off roof FMV $159 | $0 | $5,992 |
| Conduct monthly meetings with speakers on astronomical topics, and events to teach what & how to observe and to observe stars, planets, & eclipses. Meetings & events attended by club members & general public, serving several hundred people per year. | $0 | $3,058 |
Compensation and Service Providers
Employees
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Ronnie McCollum | President | - | $0 | - | - |
| Danny MacDonald | Vice-President | PT | $0 | - | - |
| Patrick Rosch | Secretary | - | $0 | - | - |
| W Susan Aduddell | Treasurer | PT | $0 | - | - |
| David Huntz | Membership Coordinator | - | $0 | - | - |
| Chris Petroff | Quartermaster | PT | $0 | - | - |
| Eileen Grzybowski | Program Director | - | $0 | - | - |
| Mike Mitchell | Observing And Outreach Coordinator | - | $0 | - | - |
| Bill Murrell | Member At Large | - | $0 | - | - |
| Rachel Palmer | Member At Large | - | $0 | - | - |
| Jolie Caperton LeVasque | Newsletter Editor | - | $0 | - | - |
Filing and Contact Details
Filer
- Filer Name
- Oklahoma City Astronomy Club
- EIN
- 73-1532941
- Phone
- 4054186444
- Address
- PO Box 22804, Oklahoma City, OK 73123-1804
Signing Officer
- Name
- W Susan Aduddell
- Title
- Treasurer
- Phone
- 4056505025
- Signed
- 2026-02-16
Supplemental Narrative
Additional Explanations
Form 990-EZ, Part I, Line 10
“Provided $5000 to Camp Billy Joe, Inc. located near Kenton, OK, mailing address PO Box 243, Boise City, OK 73933, to help the camp pay for a new water storage tank. The purpose of this grant was to ensure the availability of sufficient water at the camp to serve 300 to 500 amateur astronomers who attend the Okie-Tex Star Party (a 9-day annual gathering of astronomers) organized and hosted by the Oklahoma City Astronomy Club at Camp Billy Joe each year. This event has been held at Camp Billy Joe for over 25 years.”
Form 990-EZ, Part I, Line 16
“Description;Amount^Astronomical League Dues;1012|Bank Safe Deposit Box;105|Insurance;4163|Oklahoma Sales Tax;350|Office and Club Supplies and Equipment;8250|Astronomer Annual Gathering Operating Expenses;30203|Astronomer Annual Gathering Registration Refunds;1505|Hospitality Outreach Gatherings and Food;2649^Total;48237^”
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| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 0 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 0 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 0 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 79208 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 95087 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 75365 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 76959 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 74749 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 401368 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 81561 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 96437 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 75835 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 77002 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt | 0 | 74805 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 405640 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | Provided $5000 to Camp Billy Joe, Inc. located near Kenton, OK, mailing address PO Box 243, Boise City, OK 73933, to help the camp pay for a new water storage tank. The purpose of this grant was to ensure the availability of sufficient water at the camp to serve 300 to 500 amateur astronomers who attend the Okie-Tex Star Party (a 9-day annual gathering of astronomers) organized and hosted by the Oklahoma City Astronomy Club at Camp Billy Joe each year. This event has been held at Camp Billy Joe for over 25 years. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | Description;Amount^Astronomical League Dues;1012|Bank Safe Deposit Box;105|Insurance;4163|Oklahoma Sales Tax;350|Office and Club Supplies and Equipment;8250|Astronomer Annual Gathering Operating Expenses;30203|Astronomer Annual Gathering Registration Refunds;1505|Hospitality Outreach Gatherings and Food;2649^Total;48237^ |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Form 990-EZ, Part I, Line 10 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Form 990-EZ, Part I, Line 16 |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | W Susan Aduddell |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | Treasurer |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 4056505025 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2026-02-16 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | OKLAHOMA CITY ASTRONOMY CLUB |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | OKLA |
| ReturnHeader/Filer/EIN | 0 | 731532941 |
| ReturnHeader/Filer/PhoneNum | 0 | 4054186444 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | PO Box 22804 |
| ReturnHeader/Filer/USAddress/CityNm | 0 | Oklahoma City |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | OK |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 731231804 |
| ReturnHeader/ReturnTs | 0 | 2026-02-16T14:02:40-07:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990EZ |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2025-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-12-31 |
| ReturnHeader/TaxYr | 0 | 2025 |
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