Monterey Institute for Research in Astronomy

EIN: 237128629 501(c)(3) Science & Technology

Marina, CA

Total Revenue
$801,076
Total Expenses
$648,470
Total Assets
$5,384,000
Net Assets
$5,368,966
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Financial Trends

Organization Details

Formation Year
1972
Legal Domicile
CA
Principal Officer
Craig Chester
Phone
8318831000
Tax Period
2025-01-01 to 2025-12-31

Monterey Institute for Research in Astronomy, founded in 1972, is a small nonprofit in the Science & Technology sector that reported $801K in total revenue in fiscal year 2025. Revenue surged 102% from the prior year, signaling strong growth momentum. The organization ran a surplus of $153K, a strong 19% operating margin.

Mission

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

Program Service Accomplishments

Program 1
Expenses: $188,000 Revenue: $0

Upgraded MRA's research facilities, instrumentation, and software: (1) Developed and maintained MIRA's research observatory at a remote dark-sky site. (2) Upgraded the 36-inch telescope's major...

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Upgraded MRA's research facilities, instrumentation, and software: (1) Developed and maintained MIRA's research observatory at a remote dark-sky site. (2) Upgraded the 36-inch telescope's major instrumentation components, including spectrograph, Guidance-Acquisition Package, polarimeters, off-axis guider, etc. (3) Developed computer programs to build and test theoretical models of the spectra of early-type stars.

Program 2
Expenses: $194,500 Revenue: $0

Performed and published significant astronomical research. MIRA astronomers authored or co-authored four research papers published in refereed journals and nine conference presentations, most of...

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Performed and published significant astronomical research. MIRA astronomers authored or co-authored four research papers published in refereed journals and nine conference presentations, most of which were published in the conference proceedings. Highlights:(1) high-precision polarimetric studies of stars and planets, published in cooperation with other observatories; (2) high - resolution infra-red observations of hot stars; (3) analysis of stellar interior structures with asteroseismolgy data from MIRA and NASA data; (4)analysis of MIRA and Hubble Space Telescope observations of cometary ejecta from the NASA Deep Impact mission.

Program 3
Expenses: $4,910 Revenue: $7,341

Public Education in Astronomy: (1) Published a quarterly newsletter. (2) Provided educational research opportunities and guidance for ten high school and college summer interns. 3) Sponsored a local...

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Public Education in Astronomy: (1) Published a quarterly newsletter. (2) Provided educational research opportunities and guidance for ten high school and college summer interns. 3) Sponsored a local astronomy club. (4) Provided maintenance and access to the Student Observatory. (5) Supported Monterey County Free Libraries telescope borrowing program. (6) Maintained an astronomical education website. (7) Conducted star parties, classroom visits and tours, and adult education classes. (8) Sponsored public lectures by eminent visiting astronomers and MIRA astronomers on topics of interest to the public.

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Trantor Score

Financial Health Score (300–850) · Liquidity · Solvency · Sustainability · Efficiency

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Liquidity (40%) • Solvency (30%) • Sustainability (20%) • Efficiency (10%)

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Financial Overview (2025)

Revenue Breakdown

Contributions & Grants $691,695
Program Service Revenue $7,341
Investment Income $72,869
Other Revenue $29,171
TOTAL REVENUE $801,076

Expense Breakdown

Grants Paid $12,500
Salaries & Benefits $373,074
Fundraising Expenses $0
Program Expenses $387,410
Other Expenses $262,896
TOTAL EXPENSES $648,470

Year-over-Year Comparison

2025 2024 Change
Revenue $801,076 $397,080 +1.0%
Expenses $648,470 $503,225 +0.3%
Net Income $152,606 $-106,145 -2.4%
Key Indicators
Grants to Organizations Grants to Individuals Lobbying Political Activity Foreign Activities Donor Advised Fund Schedule B Required
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Governance

Voting Members
7
Independent Members
6
Employees
8
Volunteers
10

Governance Policies

Conflict of Interest Policy
Whistleblower Policy
Document Retention Policy

Special Practices & Reported Activities

Operated a School
Operated a Hospital
Provided First Class Travel
Reported Conflict of Interest
Reported Asset Diversion
Excess Benefit Transaction
Made Political Expenditures
Engaged in Lobbying
Operated Donor Advised Fund
Maintained Art Collections
Filed Form 720

Compensation of Officers, Directors & Key Employees

Total Officers
3
$0
Total Directors
7
$0
Key Employees
0
$0
Highest Compensated
0
reported
Name Title Hours/Week Role Reportable Comp Other Comp Total
Gordon Jones Chairman of the Board N/A
Officer Director
$0 $0 $0
Craig Chester President N/A
Officer Director
$0 $0 $0
Dennis Mar Secretary - Treasurer N/A
Officer Director
$0 $0 $0
Bruce Weaver Observatory Director N/A
Director
$0 $0 $0
Gary Love Director N/A
Director
$0 $0 $0
Richard Stedman Director N/A
Director
$0 $0 $0
Phyllis Cleveland Director N/A
Director
$0 $0 $0
Note: Compensation data is self-reported by the organization on their Form 990. "Reportable Comp" includes salary, bonuses, and other reportable compensation from the organization and related organizations. "Other Comp" includes benefits, deferred compensation, and non-taxable benefits.

Historical Data

Year Revenue Expenses Assets Net Income
2025 $801,076 $648,470 $5,384,000 $152,606
2024 No data No data No data No data
2023 $430,903 $366,122 $4,653,331 $64,781
2022 $224,132 $586,844 $4,324,792 $-362,712
2021 $315,435 $472,574 $4,714,732 $-157,139
2020 $1,905,927 $255,518 $4,477,794 $1,650,409
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