Skip to the page content
Passes our checks

Denver Astronomical Society

EIN 84-0952430 · Denver, CO

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

LegitimacyPassesRegistration and standingFinancial healthStrong100 out of 100GovernanceNot ratedThe short tax form does not cover thisImpact evidenceDescribes programsHow well its results are evidenced

What it says it does

Promote the understanding of astronomical information

Income
$113,078
Spending
$72,621
Reserves
74.7 months of spending
Largest source of income
other income, 37%

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

Financial health

Strong: 100 out of 100.

  • Reserves

    35 of 35

    Spendable reserves would cover 74.7 months of spending.

  • Debt

    20 of 20

    It owes 0% of what it owns.

  • Living within its means

    15 of 15

    Income exceeded spending by 36% of income.

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

Governance

This organization files the short tax form, which does not ask about boards, policies or audits. That is normal for a small charity and is not a mark against it.

Source: Form 990EZ 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 (3)
  1. Van Nattan, Hansen, Anderson Scholarships. Scholarships to undergraduates majoring in astrophysics, physics, engineering, or other astronomy-related fields; five awards in 2025
  2. $4,000 spent. Astronomy Nights (appx 10 per month) and Open Houses (1 per month) at Chamberlin Observatory. Open to the public; astronomical educational outreach
  3. $1,812 spent. 25 Outreach events (various locations); General meetings with guest lecture (10 per year) at Regis University and Secular Hub; approximately 1,100 participants. Open to the public; astronomical educational outreach

Source: Form 990EZ 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 October 13, 2026.

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

    Not on the IRS automatic revocation list.

    Source: Automatic revocation of exemption list, Internal Revenue Service, file dated October 13, 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 October 13, 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 October 13, 2026.

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

    Recognized by the IRS since September 1985.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 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 21, 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.