Public Charity

Monterey Institute for Research in Astronomy

Monterey Institute for Research in Astronomy is a Public Charity headquartered in Marina, CA. Financial data from the 2025 filing: $801K revenue, $648K expenses, $5.4M total assets. 6 publicly reported grants to this organization, totaling roughly $128K, appear in IRS filings.

EIN: 237128629 Marina, CA Astronomy NTEE: U31 Latest filing: 2025
Total Revenue$801K
Total Expenses$648K
Total Assets$5.4M
Grant Records6
Funding Total$128K
Filing Years2021–2025

Mission

1) Conduct astronomical research.(2) Encourage the advancement of knowledge concerning astronomy by educating the general public.

Where $100 goes at Monterey Institute for Research in Astronomy

How Monterey Institute for Research in Astronomy divides every $100 it spends, from its own Form 990 filings, averaged across 6 years.

$75 Programs the work itself
$25 Management running the organization
$0 Fundraising none reported

No fundraising costs are reported. That often means fundraising runs through a separate affiliated organization that files its own return.

Inside the $75 for programs

$38
Performed and published significant astronomical research
50% of program spending
$36
Upgraded MRA's research facilities, instrumentation, and software: (1) Developed and maintained MIRA's research observatory at a remote dark-sky site
49% of program spending
$1
Public Education in Astronomy
1% of program spending
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Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.

Sample Grants Received

2024
For grant recipient's exempt purposes
$30,200
2024
FOR RECIPIENT'S EXEMPT PURPOSE
$7,500
2023
For grant recipient's exempt purposes
$61,000
2023
FOR RECIPIENT'S EXEMPT PURPOSE
$7,500
2022
FOR RECIPIENT'S EXEMPT PURPOSE
$15,000

Showing up to 5 of 6 total records — full history available with membership.

Officers & Directors

Observatory Director Bruce Weaver
President Craig Chester
Secretary - Treasurer Dennis Mar
Director Gary Love
Chairman of the Board Gordon Jones
Director Phyllis Cleveland

Officer compensation and complete director data available with membership.

Top Grant Purposes

General Support
$121,200 5 grants
Research & Policy
$7,263 1 grant

Financial Trends

Year Revenue Expenses Assets
2025 $801K $648K $5.4M
2024 $397K $461K $5.0M
2023 $431K $366K $4.7M
2022 $224K $587K $4.3M
2021 $315K $473K $4.7M

Between 2021 and 2025, reported annual revenue grew from $315K to $801K (+154%), with total assets most recently reported at $5.4M.

Interactive year-over-year charts and full filing details available with membership.

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