AMERICAN ASSOCIATION OF VARIABLE STAR OB

EIN: 042164402 501(c)(3) Science & Technology

CAMBRIDGE, MA

Total Revenue
$1,074,729
Total Expenses
$1,216,226
Total Assets
$19,079,368
Net Assets
$18,693,370
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Financial Vulnerability Assessment (Tuckman-Chang)

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Financial Trends

Organization Details

Formation Year
1911
Legal Domicile
MA
Principal Officer
BRIAN KLOPPENBORG
Phone
6173540484
Tax Period
2023-10-01 to 2024-09-30

AMERICAN ASSOCIATION OF VARIABLE STAR OB, founded in 1911, is a community nonprofit in the Science & Technology sector that reported $1.1M in total revenue in fiscal year 2023. Revenue surged 55% from the prior year, signaling strong growth momentum. Expenses of $1.2M exceeded revenue, resulting in a 13% operating deficit.

Mission

THE AAVSO PROVIDES AMATEUR ASTRONOMERS AND STUDENTS THE OPPORTUNITY TO MAKE REAL AND DIRECT CONTRIBUTIONS TO ASTRONOMY. IN PROGRAMS THEY COMPLETE AT THEIR OWN PACE, WE TEACH THEM HOW TO MAKE OBSERVATIONS AND HOW TO ANALYZE ASTRONOMICAL DATA, AND WE OFFER THEM THE OPPORTUNITY TO PARTICIPATE IN OBSERVING CAMPAIGNS DESIGNED TO PRODUCE PEER-REVIEWED PUBLISHED PAPERS.

Program Service Accomplishments

Program 1
Expenses: $552,477 Revenue: $102,472

THE AAVSO, THROUGH ITS MEMBERS AND THE BROADER ASTRONOMICAL COMMUNITY, CONDUCTS ASTRONOMICAL RESEARCH, DOES DATA COLLECTION, MAINTAINS A DATABASE OF KNOWN VARIABLE STARS, A DATABASE OF INDIVIDUAL...

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THE AAVSO, THROUGH ITS MEMBERS AND THE BROADER ASTRONOMICAL COMMUNITY, CONDUCTS ASTRONOMICAL RESEARCH, DOES DATA COLLECTION, MAINTAINS A DATABASE OF KNOWN VARIABLE STARS, A DATABASE OF INDIVIDUAL OBSERVATIONS MEASURING BRIGHT OF STARS IN VARIOUS COLORS, A DATABASE OF EXOPLANET OBSERVATIONS, A DATABASE OF SUNSPOT COUNTS, AND A DATABASE OF SPECTROGRAPHS. THE AAVSO HAS ABOUT 1,400 MEMBERS, THE MAJORITY OF WHICH CONTRIBUTE ASTRONOMICAL OBSERVATIONS. THE VARIABLE STAR DATABASE HAS 2 MILLION KNOWN VARIABLE STARS. THERE ARE ABOUT 65 MILLION BRIGHTNESS OBSERVATIONS, 8 THOUSAND EXO-PLANET TRANSITS, 15 THOUSAND SPECTRA, AND 181 THOUSAND SOLAR OBSERVATIONS. THE AAVSO ORGANIZES OBSERVING CAMPAIGNS OR PROVIDES A PLATFORM FOR PROFESSIONAL ASTRONOMERS TO REQUEST MONITORING OF STARS FOR SPACECRAFT MISSIONS.

Program 2
Expenses: $119,800 Revenue: $40,111

THE AAVSO HOLDS AN ANNUAL SCIENCE AND MEMBERSHIP MEETING EACH FALL. THE MEETING ROTATES THROUGHOUT THE COUNTRY TO GIVE MEMBERS A BETTER CHANCE TO PARTICIPATE. EACH MEETING HAS ABOUT 75 IN-PERSON...

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THE AAVSO HOLDS AN ANNUAL SCIENCE AND MEMBERSHIP MEETING EACH FALL. THE MEETING ROTATES THROUGHOUT THE COUNTRY TO GIVE MEMBERS A BETTER CHANCE TO PARTICIPATE. EACH MEETING HAS ABOUT 75 IN-PERSON PARTICIPANTS AND AN ADDITIONAL 25-50 ONLINE MEMBERS. THE MEETINGS ARE OFTEN HELD IN CONJUNCTION WITH A SPECIAL INTEREST WORKSHOP BEFORE OR AFTER THE MEETING. THE MEETING WILL HAVE 1-1/2 DAYS OF SCIENCE TALKS, INCLUDING RESEARCH PRESENTATION BY MEMBERS. THERE IS ALSO A RECEPTION, FINAL DINNER, AND A HALF DAY MEMBERSHIP MEETING WHERE FINANCIAL AND OPERATIONAL RESULTS ARE PRESENTED, AWARDS PRESENTED. AND THE INCOMING BOARD OF DIRECTORS IS VOTED UPON.

Program 3
Expenses: $71,223 Revenue: $13,446

THE AAVSO PROVIDES A NUMBER OF EDUCATIONAL COURSES, WEBINARS, MENTORING, ARTICLES, BLOG POSTS, AND OTHER COMMUNICATIONS. WE OPERATE AN ONLINE FORUM ON A NUMBER OF OBSERVING AND EQUIPMENT TOPICS. WE...

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THE AAVSO PROVIDES A NUMBER OF EDUCATIONAL COURSES, WEBINARS, MENTORING, ARTICLES, BLOG POSTS, AND OTHER COMMUNICATIONS. WE OPERATE AN ONLINE FORUM ON A NUMBER OF OBSERVING AND EQUIPMENT TOPICS. WE OPERATE A MENTORING PROGRAM FOR NEW OBSERVERS WHERE AN EXPERIENCED OBSERVER COACHES THEM. WE RECEIVE ABOUT 30 MENTORING REQUESTS PER YEAR. WE ALSO PROVIDE CHOICE COURSES, A MULTI-DAY EDUCATIONAL COURSE WHICH HAS ABOUT 100 PARTICIPANTS PER YEAR. EACH MONTH WE PROVIDE ZOOM WEBINARS ON VARIOUS SUBJECTS WHICH HAS ABOUT 2,000 PARTICIPANTS EACH YEAR. WE ALSO POST WEBINARS TO OUR YOUTUBE CHANNEL GETTING OVER 8,000 VIEWS. WE ALSO POST ARTICLES TO VARIOUS SOCIAL MEDIA SITES AND ARE A RESOURCE FOR THE NEWS MEDIA CONCERNING STAR RESEARCH.

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Trantor Score

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

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Financial Overview (2023)

Revenue Breakdown

Contributions & Grants $188,109
Program Service Revenue $156,029
Investment Income $730,591
Other Revenue $0
TOTAL REVENUE $1,074,729

Expense Breakdown

Grants Paid $0
Salaries & Benefits $754,418
Fundraising Expenses $64,566
Program Expenses $743,500
Other Expenses $461,808
TOTAL EXPENSES $1,216,226

Year-over-Year Comparison

2023 2022 Change
Revenue $1,074,729 $691,694 +0.6%
Expenses $1,216,226 $1,194,983 +0.0%
Net Income $-141,497 $-503,289 -0.7%
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
15
Independent Members
14
Employees
7
Volunteers
800

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
6
$201,795
Total Directors
16
$201,795
Key Employees
0
$0
Highest Compensated
0
reported
Name Title Hours/Week Role Reportable Comp Other Comp Total
DR BRIAN KLOPPENBORG EXECUTIVE DIRECTOR 35.00
Officer Director
$182,132 $19,663 $201,795
RICHARD BERRY PRESIDENT 6.00
Officer Director
$0 $0 $0
SARAH AUSTRIN WILLIS VICE PRESIDENT 2.00
Officer Director
$0 $0 $0
DENNIS CONTI 2ND VICE PRESIDENT 1.00
Officer Director
$0 $0 $0
ROBERT STEPHENS TREASURER 3.00
Officer Director
$0 $0 $0
KRIS LARSEN SECRETARY 1.00
Officer Director
$0 $0 $0
DAVID COWALL PAST PRESIDENT 1.00
Director
$0 $0 $0
DIOGO TEIXEIRA DIRECTOR 1.00
Director
$0 $0 $0
ERIC HINTZ DIRECTOR 1.00
Director
$0 $0 $0
THOMAS MACCARONE DIRECTOR 1.00
Director
$0 $0 $0
PETER BEALO DIRECTOR 3.00
Director
$0 $0 $0
PAT BOYCE DIRECTOR 1.00
Director
$0 $0 $0
ARNE HENDON DIRECTOR 1.00
Director
$0 $0 $0
WALT COONEY DIRECTOR 3.00
Director
$0 $0 $0
MARK MUNKACSY DIRECTOR 1.00
Director
$0 $0 $0
MATT CRAIG DIRECTOR 1.00
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 No data No data No data No data
2024 $1,074,729 $1,216,226 $19,079,368 $-141,497
2023 $691,694 $1,194,983 $16,088,028 $-503,289
2022 $2,634,853 $1,034,647 $15,233,992 $1,600,206
2021 $1,024,120 $969,435 $16,117,198 $54,685
2020 $212,157 $997,617 $13,708,362 $-785,460
2019 $110,788 $993,319 $14,622,983 $-882,531
2018 $1,949,464 $1,057,144 $14,973,026 $892,320
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