Astronomical Society of the Pacific
Improving science literacy through education and public outreach programs advancing the public understanding in the science and study of astronomy since 1889; collecting and publishing information concerning the …
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The Astronomical Society of the Pacific is an international non-profit scientific and educational organization, founded in 1889, that works to increase understanding and appreciation of astronomy.
Verified certifications
Confirmed against the issuing authority - not self-reported.
Mission
Improving science literacy through education and public outreach programs advancing the public understanding in the science and study of astronomy since 1889; collecting and publishing information concerning the science of astronomy.
Focus areas & reach
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· vs. 8 similar science & technology in United StatesRed flags
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Common questions
· Auto-generated from filings + methodologyAstronomical Society of the Pacific is a registered science & technology nonprofit based in San Francisco, CA, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 1889 and has been operating for 137 years. Its EIN is 940294860. It has a GiveRadar Integrity Assessment of 79/100 (Strong transparency), indicating well-documented governance, financials, and contact details. This is below the average of 89/100 for science & technology charities in United States. The organization reports $2M in annual revenue. 63 officers and directors are publicly disclosed. No red flags have been detected.
Astronomical Society of the Pacific has a GiveRadar Integrity Assessment of 79/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 79 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. For comparison, the average integrity assessment for science & technology charities in United States is 89/100.
Astronomical Society of the Pacific is located in San Francisco, CA, United States. The organization was established in 1889 and has been active for 137 years.
Based on official tax filings, Astronomical Society of the Pacific has $2M in annual revenue. It allocates 0% of expenses to programs and services. This is below the average of 11% for science & technology charities in United States. Its revenue is below the peer average of $14M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.
Astronomical Society of the Pacific is classified as a Science & Technology organization, registered in United States. It operates as a Supporting organization (509(a)(3)). It has $2M in annual revenue. The organization has 63 disclosed officers and directors.
No red flags have been detected for Astronomical Society of the Pacific. GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, and missing financial filings. Based on available official data, no issues have been identified.
Astronomical Society of the Pacific has a GiveRadar Integrity Assessment of 79/100 (Strong transparency) and no red flags have been detected, which suggests it is a well-documented organization. It is regulated by the IRS. 0% of expenses go to programs. The peer average is 11%. You can donate directly through their official donation page linked on their GiveRadar profile. GiveRadar provides data for research purposes and does not endorse any organization. Always do your own due diligence.
The Astronomical Society of the Pacific is an international non-profit scientific and educational organization, founded in 1889, that works to increase understanding and appreciation of astronomy. Astronomical Society of the Pacific is classified as a science & technology organization registered in United States. The organization was founded in 1889.
Among science & technology charities registered in United States: Astronomical Society of the Pacific's GiveRadar Integrity Assessment of 79/100 is below the peer average of 89/100. It allocates 0% of expenses to programs, below the peer average of 11%. Its annual revenue of $2M is below the peer average of $14M.
Yes, donations to Astronomical Society of the Pacific are generally tax-deductible in the United States. Astronomical Society of the Pacific is a 501(c)(3) tax-exempt organization. Its EIN is 940294860, which you can use for tax filing purposes. Donors can typically deduct contributions on their federal income tax return if they itemize deductions. Consult a tax professional for guidance specific to your situation.
Verified against 5 official sources, last refreshed .
Filing history
5 years on file from IRS 990 (FY2024): revenue, expenses, program spending, assets, and liabilities by fiscal year.
See 5 years of revenue, expense breakdowns, and balance sheet.
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Tax-deductibility for donors
Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.
ASTRONOMICAL SOCIETY OF THE PACIFIC is registered in United States. Donations from the Netherlands to charities outside the EU/EEA are generally not tax-deductible for Dutch donors unless the charity is listed on the Dutch ANBI register with foreign-recognized status.
Always confirm tax treatment with the charity directly or your tax advisor before donating.
Leadership
Officers & trustees (20)
Source: Public filings
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Sources and verification
Refreshed
- Registration and legal identity
- Internal Revenue Service (IRS) - Tax Exempt Organization Search
- Financial filings
- IRS Form 990 filings - Fiscal year 2024 most recent on file.
- Officers and trustees
- Internal Revenue Service (IRS) - Tax Exempt Organization Search - 63 disclosed in the public registry.
- News and media coverage
- GDELT Project + Google News
- Supplementary verification
- Charity Navigator
Data freshness
What we don't know
Honest gaps - our score reflects transparency, not impact
Methodology
GiveRadar combines public registry filings, ProPublica Nonprofit Explorer, Charity Navigator, GuideStar, and news archives into a single 0-100 integrity assessment. We don't take a cut of any donation, ever.
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Quick facts about Astronomical Society of the Pacific
- What is Astronomical Society of the Pacific?
- Astronomical Society of the Pacific is a science & technology supporting organization (509(a)(3)) based in San Francisco, United States. The Astronomical Society of the Pacific is an international non-profit scientific and educational organization, founded in 1889, that works to increase understanding and appreciation of astronomy.
- When was Astronomical Society of the Pacific founded?
- Astronomical Society of the Pacific was founded in 1889.
- Who leads Astronomical Society of the Pacific?
- Chris Ford serves as CEO.
- Where is Astronomical Society of the Pacific located?
- Headquartered in San Francisco, United States.
- What is Astronomical Society of the Pacific's annual budget?
- Annual revenue for fiscal year 2024 is approximately $1M-$10M. 0% of expenses go to program services.
- Is Astronomical Society of the Pacific trustworthy?
- Astronomical Society of the Pacific has a GiveRadar Integrity Assessment of 79 out of 100 (Strong transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
- What is Astronomical Society of the Pacific's registration number?
- IRS EIN: 940294860. Registration: 36-4210977 (United States).
- What is Astronomical Society of the Pacific's website?
- http://www.astrosociety.org