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Valley of the Moon Observatory Association

EIN 47-0877393 · Glen Ellen, CA

Public records show a registered, tax-exempt organization in good standing.

LegitimacyPassesRegistration and standingFinancial healthStrong93 out of 100GovernanceFair56 out of 100Impact evidenceDescribes programsHow well its results are evidenced

What it says it does

PROVIDES FREE OR LOW COST ACCESS TO AN ASTRONOMICAL OBSERVATORY AND EDUCATIONAL PROGRAMS ABOUT SCIENCE AND ASTRONOMY FOR STUDENTS, THE PUBLIC, AND IN SUPPORT OF EDUCATORS.

Income
$311,617
Spending
$203,137
Spent on programs
66%
Reserves
10.9 months of spending
Largest source of income
donations and private grants, 63%
Employees
2
Volunteers
168
Highest pay
$87,720, executive director

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Financial health

Strong: 93 out of 100. Higher than 78% of charities in its peer group (arts and culture, $250k to $1m).

  • Reserves

    28 of 35

    Spendable reserves would cover 10.9 months of spending.

  • Debt

    20 of 20

    It owes 1% of what it owns.

  • Living within its means

    15 of 15

    Income exceeded spending by 35% of income.

  • Income trend

    15 of 15

    Income rose 48% on the year before.

  • Spending floor

    15 of 15

    66% of spending went to programs and raising each dollar of donations cost 0 cents.

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Governance

Fair: 56 out of 100. Higher than 24% of charities in its peer group (arts and culture, $250k to $1m).

  • Independent board

    25 of 25

    14 of 14 voting board members are independent.

  • Conflict of interest policy

    0 of 15

    Reports no written conflict of interest policy.

  • Whistleblower policy

    0 of 8

    Reports no written whistleblower policy.

  • Record keeping policy

    0 of 7

    Reports no written policy on keeping and destroying records.

  • Board minutes

    5 of 5

    Keeps minutes of board meetings.

  • Board sees the tax return

    10 of 10

    Gave the board a copy of this return before filing it.

  • Pay set independently

    0 of 5

    Reports no independent review process for its chief executive's pay.

  • Independent check of accounts

    6 of 15

    Its accounts were not audited or reviewed by an independent accountant.

  • No reported misuse

    10 of 10

    Reports no diversion of assets, excess benefits or loans to insiders.

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Impact evidence

Describes programs. Its tax return describes what it does but we have found no measurable results in it.

Programs described in its return (1)
  1. $133,142 spent. PROGRAMS DURING THE DAY (SOLAR ASTRONOMY, RADIO ASTRONOMY, GUIDED HIKES ON PLANET WALK) AND AT NIGHT, OBSERVING THE NIGHT SKY THROUGH LARGE TELESCOPES, SMALL TELESCOPES, BINOCULARS AND NAKED EYE. THESE PROGRAMS INCLUDE LECTURES ON WHAT WILL BE VIEWED AIMED AT THE GENERAL PUBLIC AND/OR PRIVATE SMALL GROUPS AND/OR CLASSROOM PROGRAMS AND TAKING INTO CONSIDERATION THE WIDE RANGE OF AGES USUALLY ATTENDING.

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Legitimacy checks

  1. Is it registered with the IRS? Passed.

    Listed in the IRS master file of tax-exempt organizations as a 501(c)(3) charitable organization.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.

  2. Has the IRS revoked its tax-exempt status? Worth knowing.

    Status was revoked on May 15, 2012 for not filing returns for three years, and reinstated on May 15, 2012.

    Source: Automatic revocation of exemption list, Internal Revenue Service, file dated September 30, 2026.

  3. Are donations tax-deductible? Passed.

    On the IRS list of organizations eligible to receive tax-deductible contributions.

    Source: Publication 78 data: organizations eligible for tax-deductible contributions, Internal Revenue Service, file dated September 10, 2026.

  4. Is it keeping up with its IRS filings? Passed.

    Most recent return on file covers the year ending December 2025.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.

  5. How long has it been tax-exempt? Passed.

    Recognized by the IRS since February 2014.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.

  6. Is it in good standing with state regulators? Passed.

    Not on California's list of charities barred from soliciting. Other states are not yet checked.

    Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated October 7, 2026.

Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.