American Association Of Variable Star Observers

Cambridge, MA
Tax-exempt since Feb. 1954
EIN: 04-2164402

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Type of Nonprofit

Designated as a 501(c)(3) Organizations for any of the following purposes: religious, educational, charitable, scientific, literary, testing for public safety, fostering national or international amateur sports competition (as long as it doesn't provide athletic facilities or equipment), or the prevention of cruelty to children or animals.

Category: Science and Technology Research Institutes, Services / Astronomy (NTEE)

Donations to this organization are tax deductible.

Revenue

$692k (2023)

Expenses

$1.19M (2023)

Total Assets

$16.1M (2023)

Total Liabilities

$420k (2023)

Source: Form 990 tax filings from 2011 to 2023

Tax Filings by Year

Form 990 is an information return that most organizations claiming federal tax-exempt status must file yearly with the IRS. Nonprofit Explorer has IRS digitized Form 990 data for filings processed in 2012 and later. If this organization filed an amended return, it may not be reflected below. Duplicate download links may indicate a resubmission or amendment to this organization's original return. Form 990 data is from the IRS.

Fiscal Year Ending Sept.
2023

Revenue

$691,694

Expenses

$1,194,983

Net Income

-$503,289

Net Assets

$15,668,005

Notable Sources of Revenue		Percent of Total Revenue
Contributions	$185,936	26.9%
Program Services	$115,288	16.7%
Investment Income	$403,668	58.4%
Bond Proceeds	$0
Royalties	$0
Rental Property Income	$0
Net Fundraising	$0
Sales of Assets	-$13,198
Net Inventory Sales	$0
Other Revenue	$0

Notable Expenses		Percent of Total Expenses
Executive Compensation	$190,484	15.9%
Professional Fundraising Fees	$0
Other Salaries and Wages	$379,705	31.8%

Assets/Debt
Total Assets	$16,088,028
Total Liabilities	$420,023
Net Assets	$15,668,005

Compensation

Key Employees and Officers	Compensation	Related	Other
Kathleen Spirer (Operations Manager)	$107,246	$0	$16,847
Dr Brian Kloppenborg (Executive Director)	$45,769	$0	$13,248
David Cowall (President)	$0	$0	$0
Richard Berry (1 St Vice President)	$0	$0	$0
Kristine Larsen (Secretary)	$0	$0	$0
Robert Stephens (Treasurer)	$0	$0	$0
Sarah Austrin Willis (2 Nd Vice President)	$0	$0	$0
Robert Bucheim (Council Member (Term Expired 9/2023))	$0	$0	$0
Ken Hudson (Council Member)	$0	$0	$0
Thomas Maccarone (Council Member)	$0	$0	$0
Martina Belz Arndt (Council Member (Resigned 4/2023))	$0	$0	$0
Dennis Conti (Council Member)	$0	$0	$0
Dr Joyce A Guzik (Council Member (Term Expired 10/2022))	$0	$0	$0
Antonella Nota (Council Member (Resigned 5/2023))	$0	$0	$0
Peter Bealo (Council Member (Appointed 11/2022))	$0	$0	$0
Patrick Boyce (Council Member (Appointed 11/2022))	$0	$0	$0
Arne Henden (Council Member (Appointed 11/2022))	$0	$0	$0

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990

Filed on Aug. 8, 2024

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Fiscal Year Ending Sept.
2022

Revenue

$2,634,853

Expenses

$1,034,647

Net Income

$1,600,206

Net Assets

$14,769,079

Notable Sources of Revenue		Percent of Total Revenue
Contributions	$338,041	12.8%
Program Services	$50,670	1.9%
Investment Income	$151,049	5.7%
Bond Proceeds	$0
Royalties	$0
Rental Property Income	$0
Net Fundraising	$0
Sales of Assets	$2,095,093	79.5%
Net Inventory Sales	$0
Other Revenue	$0

Notable Expenses		Percent of Total Expenses
Executive Compensation	$117,654	11.4%
Professional Fundraising Fees	$0
Other Salaries and Wages	$241,054	23.3%

Assets/Debt
Total Assets	$15,233,992
Total Liabilities	$464,913
Net Assets	$14,769,079

Compensation

Key Employees and Officers	Compensation	Related	Other
Kathy Spirer (Interim Executive Director)	$65,769	$0	$0
Stella Kafka (Executive Director)	$51,884	$0	$0
David Cowall (President)	$0	$0	$0
Richard Berry (1 St Vice President)	$0	$0	$0
Kristine Larsen (Secretary)	$0	$0	$0
Robert Stephens (Treasurer)	$0	$0	$0
Sarah Austrin Willis (2 Nd Vice President)	$0	$0	$0
Robert Bucheim (Council Member)	$0	$0	$0
Ken Hudson (Council Member)	$0	$0	$0
John Briggs (Council Member)	$0	$0	$0
Karen Kinemuchi (Council Member)	$0	$0	$0
John A Blackwell (Council Member)	$0	$0	$0
Thomas Maccarone (Council Member)	$0	$0	$0
Martina Belz Arndt (Council Member)	$0	$0	$0
Dennis Conti (Council Member)	$0	$0	$0
Dr Joyce A Guzik (Council Member)	$0	$0	$0

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990

Filed on Aug. 8, 2023

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Fiscal Year Ending Sept.
2021

Revenue

$1,024,120

Expenses

$969,435

Net Income

$54,685

Net Assets

$16,004,312

Notable Sources of Revenue		Percent of Total Revenue
Contributions	$563,165	55.0%
Program Services	$27,078	2.6%
Investment Income	$248,077	24.2%
Bond Proceeds	$0
Royalties	$0
Rental Property Income	$50,384	4.9%
Net Fundraising	$0
Sales of Assets	$135,416	13.2%
Net Inventory Sales	$0
Other Revenue	$0

Notable Expenses		Percent of Total Expenses
Executive Compensation	$142,000	14.6%
Professional Fundraising Fees	$0
Other Salaries and Wages	$289,857	29.9%

Assets/Debt
Total Assets	$16,117,198
Total Liabilities	$112,886
Net Assets	$16,004,312

Compensation

Key Employees and Officers	Compensation	Related	Other
Styliani Kafka (Executive Director)	$142,000	$0	$0
Gordon Myers (President)	$0	$0	$0
William Stein (1 St Vice President)	$0	$0	$0
Kristine Larsen (Secretary)	$0	$0	$0
Robert Stephens (Treasurer)	$0	$0	$0
Richard Berry (2 Nd Vice President)	$0	$0	$0
Joyce A Guzik (Council Member)	$0	$0	$0
Michael Cook (Council Member)	$0	$0	$0
Robert Bucheim (Council Member)	$0	$0	$0
Ken Hudson (Council Member)	$0	$0	$0
Robert Massey (Council Member)	$0	$0	$0
David Cowall (Council Member)	$0	$0	$0
Heather Laird (Council Member)	$0	$0	$0
John Briggs (Council Member)	$0	$0	$0
Karen Kinemuchi (Council Member)	$0	$0	$0

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990

Filed on Aug. 10, 2022

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Fiscal Year Ending Sept.
2020

Revenue

$212,157

Expenses

$997,617

Net Income

-$785,460

Net Assets

$13,588,483

Notable Sources of Revenue		Percent of Total Revenue
Contributions	$194,848	91.8%
Program Services	$39,653	18.7%
Investment Income	$377,009	> 100%
Bond Proceeds	$0
Royalties	$0
Rental Property Income	$36,643	17.3%
Net Fundraising	$0
Sales of Assets	-$435,996
Net Inventory Sales	$0
Other Revenue	$0

Notable Expenses		Percent of Total Expenses
Executive Compensation	$136,000	13.6%
Professional Fundraising Fees	$0
Other Salaries and Wages	$295,632	29.6%

Assets/Debt
Total Assets	$13,708,362
Total Liabilities	$119,879
Net Assets	$13,588,483

Compensation

Key Employees and Officers	Compensation	Related	Other
Styliani Kafka (Executive Director)	$130,000	$0	$17,350
Gordon Myers (President)	$0	$0	$0
William Stein (1 St Vice President)	$0	$0	$0
Kristine Larsen (Secretary)	$0	$0	$0
Robert Stephens (Treasurer)	$0	$0	$0
Richard Berry (2 Nd Vice President)	$0	$0	$0
Joyce A Guzik (Council Member)	$0	$0	$0
Gregory Sivakoff (Council Member)	$0	$0	$0
Michael Cook (Council Member)	$0	$0	$0
Robert Bucheim (Council Member)	$0	$0	$0
Ken Hudson (Council Member)	$0	$0	$0
Brad Vietje (Council Member)	$0	$0	$0
Robert Massey (Council Member)	$0	$0	$0
David Cowall (Council Member)	$0	$0	$0

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990

Filed on Feb. 9, 2021

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Fiscal Year Ending Sept.
2019

Revenue

$110,788

Expenses

$993,319

Net Income

-$882,531

Net Assets

$14,546,284

Notable Sources of Revenue		Percent of Total Revenue
Contributions	$284,787	> 100%
Program Services	$37,382	33.7%
Investment Income	$272,860	> 100%
Bond Proceeds	$0
Royalties	$0
Rental Property Income	$20,832	18.8%
Net Fundraising	$0
Sales of Assets	-$505,073
Net Inventory Sales	$0
Other Revenue	$0

Notable Expenses		Percent of Total Expenses
Executive Compensation	$130,000	13.1%
Professional Fundraising Fees	$0
Other Salaries and Wages	$286,310	28.8%

Assets/Debt
Total Assets	$14,622,983
Total Liabilities	$76,699
Net Assets	$14,546,284

Compensation

Key Employees and Officers	Compensation	Related	Other
Styliani Kafka (Executive Director)	$130,000	$0	$17,720
Kristine M Larsen (President)	$0	$0	$0
William Stein (1 St Vice President)	$0	$0	$0
Gary Walker (Secretary)	$0	$0	$0
Robert Stephens (Treasurer)	$0	$0	$0
Dr Katrien Kolenberg (Council Member)	$0	$0	$0
Kevin B Marvel (2 Nd Vice President)	$0	$0	$0
Joyce A Guzik (Council Member)	$0	$0	$0
Elizabeth Waagen (Clerk)	$0	$0	$0
Michael Joner (Council Member)	$0	$0	$0
Richard Berry (Council Member)	$0	$0	$0
Thomas Calderwood (Council Member)	$0	$0	$0
Gregory Sivakoff (Council Member)	$0	$0	$0
Arlo Landolt (Council Member)	$0	$0	$0
Gordon Myers (Council Member)	$0	$0	$0
Michael Cook (Council Member)	$0	$0	$0

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990

Filed on Jan. 27, 2020

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Fiscal Year Ending Sept.
2018

Revenue

$1,949,464

Expenses

$1,057,144

Net Income

$892,320

Net Assets

$14,865,636

Notable Sources of Revenue		Percent of Total Revenue
Contributions	$286,056	14.7%
Program Services	$32,090	1.6%
Investment Income	$1,238,213	63.5%
Bond Proceeds	$0
Royalties	$0
Rental Property Income	$50,000	2.6%
Net Fundraising	$0
Sales of Assets	$343,105	17.6%
Net Inventory Sales	$0
Other Revenue	$0

Notable Expenses		Percent of Total Expenses
Executive Compensation	$110,006	10.4%
Professional Fundraising Fees	$0
Other Salaries and Wages	$267,835	25.3%

Assets/Debt
Total Assets	$14,973,026
Total Liabilities	$107,390
Net Assets	$14,865,636

Compensation

Key Employees and Officers	Compensation	Related	Other
Styliani Kafka (Executive Director)	$110,006	$0	$0
Elizabeth Waagen (Clerk)	$57,680	$0	$0
Kristine M Larsen (President)	$0	$0	$0
William Stein (1 St Vice President)	$0	$0	$0
Gary Walker (Secretary)	$0	$0	$0
Robert Stephens (Treasurer)	$0	$0	$0
Dr Katrien Kolenberg (Council Member)	$0	$0	$0
Kevin B Marvel (2 Nd Vice President)	$0	$0	$0
Joyce A Guzik (Council Member)	$0	$0	$0
Michael Joner (Council Member)	$0	$0	$0
Richard Berry (Council Member)	$0	$0	$0
Thomas Calderwood (Council Member)	$0	$0	$0
Gregory Sivakoff (Council Member)	$0	$0	$0
Arlo Landolt (Council Member)	$0	$0	$0
Gordon Myers (Council Member)	$0	$0	$0
Michael Cook (Council Member)	$0	$0	$0

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990

Filed on Feb. 5, 2019

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Fiscal Year Ending Sept.
2017

Revenue

$665,724

Expenses

$942,993

Net Income

-$277,269

Net Assets

$14,897,205

Notable Sources of Revenue		Percent of Total Revenue
Contributions	$264,962	39.8%
Program Services	$35,389	5.3%
Investment Income	$176,141	26.5%
Bond Proceeds	$0
Royalties	$0
Rental Property Income	$29,167	4.4%
Net Fundraising	$0
Sales of Assets	$160,065	24.0%
Net Inventory Sales	$0
Other Revenue	$0

Notable Expenses		Percent of Total Expenses
Executive Compensation	$109,806	11.6%
Professional Fundraising Fees	$0
Other Salaries and Wages	$241,020	25.6%

Assets/Debt
Total Assets	$14,959,492
Total Liabilities	$62,287
Net Assets	$14,897,205

Compensation

Key Employees and Officers	Compensation	Related	Other
Styliani Kafka (Executive Director)	$109,806	$0	$0
Elizabeth Waagen (Clerk)	$57,380	$0	$0
Kristine M Larsen (President)	$0	$0	$0
Dr Roger S Kolman (1 St Vice President)	$0	$0	$0
Gary Walker (Secretary)	$0	$0	$0
Robert Stephens (Treasurer)	$0	$0	$0
Dr Katrien Kolenberg (Council Member)	$0	$0	$0
Kevin B Marvel (2 Nd Vice President)	$0	$0	$0
Joyce A Guzik (Council Member)	$0	$0	$0
William Stein (Council Member)	$0	$0	$0
Michael Joner (Council Member)	$0	$0	$0
Richard Berry (Council Member)	$0	$0	$0
Thomas Calderwood (Council Member)	$0	$0	$0
Richard Post (Council Member)	$0	$0	$0
Gregory Sivakoff (Council Member)	$0	$0	$0

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990

Filed on Feb. 5, 2018

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Fiscal Year Ending Sept.
2016

Revenue

$791,640

Expenses

$1,050,136

Net Income

-$258,496

Net Assets

$13,988,716

Notable Sources of Revenue		Percent of Total Revenue
Contributions	$371,253	46.9%
Program Services	$37,485	4.7%
Investment Income	$244,680	30.9%
Bond Proceeds	$0
Royalties	$0
Rental Property Income	$0
Net Fundraising	$0
Sales of Assets	$138,222	17.5%
Net Inventory Sales	$0
Other Revenue	$0

Notable Expenses		Percent of Total Expenses
Executive Compensation	$108,595	10.3%
Professional Fundraising Fees	$0
Other Salaries and Wages	$394,457	37.6%

Assets/Debt
Total Assets	$14,054,919
Total Liabilities	$66,203
Net Assets	$13,988,716

Compensation

Key Employees and Officers	Compensation	Related	Other
Styliani Kafka (Director)	$108,595	$0	$0
Elizabeth Waagen (Clerk)	$56,124	$0	$0
Kristine M Larsen (President)	$0	$0	$0
Dr Roger S Kolman (1 St Vice President)	$0	$0	$0
Gary Walker (Secretary)	$0	$0	$0
William Goff (Treasurer)	$0	$0	$0
Dr Katrien Kolenberg (Council Member)	$0	$0	$0
Joseph Patterson (Council Member)	$0	$0	$0
Dr Richard Sabo (Council Member)	$0	$0	$0
Dr Barbara Gail Harris (Council Member)	$0	$0	$0
Kevin B Marvel (2 Nd Vice President)	$0	$0	$0
Joyce A Guzik (Council Member)	$0	$0	$0
Aaron Price (Council Member)	$0	$0	$0
William Stein (Council Member)	$0	$0	$0
Jennifer Sokoloski (Past President)	$0	$0	$0

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990

Filed on Jan. 31, 2017

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Fiscal Year Ending Sept.
2015

Revenue

$1,320,142

Expenses

$1,428,723

Net Income

-$108,581

Net Assets

$13,747,200

Notable Sources of Revenue		Percent of Total Revenue
Contributions	$586,286	44.4%
Program Services	$35,881	2.7%
Investment Income	$284,266	21.5%
Bond Proceeds	$0
Royalties	$0
Rental Property Income	$0
Net Fundraising	$0
Sales of Assets	$413,709	31.3%
Net Inventory Sales	$0
Other Revenue	$0

Notable Expenses		Percent of Total Expenses
Executive Compensation	$143,878	10.1%
Professional Fundraising Fees	$0
Other Salaries and Wages	$629,569	44.1%

Assets/Debt
Total Assets	$13,796,249
Total Liabilities	$49,049
Net Assets	$13,747,200

Compensation

Key Employees and Officers	Compensation	Related	Other
Styliani Kafka (Director)	$77,917	$0	$0
Arne Henden (Council Member/Former Director)	$65,962	$0	$0
Michael Mattei (Former Council)	$12,000	$0	$0
Jennifer Sokoloski (President)	$0	$0	$0
Kristine M Larsen (1 St Vice President)	$0	$0	$0
Dr Roger S Kolman (2 Nd Vice President)	$0	$0	$0
Gary Walker (Secretary)	$0	$0	$0
William Goff (Treasurer)	$0	$0	$0
Rebecca Turner (Clerk)	$0	$0	$0
Dr Katrien Kolenberg (Council Member)	$0	$0	$0
Joseph Patterson (Council Member)	$0	$0	$0
Dr John C Martin (Council Member)	$0	$0	$0
Dr Richard Sabo (Council Member)	$0	$0	$0
Doug Welch (Council Member)	$0	$0	$0
David G Turner (Council Member)	$0	$0	$0
Rodney H Howe (Council Member)	$0	$0	$0
Dr Barbara Gail Harris (Council Member)	$0	$0	$0

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990

Filed on Jan. 27, 2016

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Fiscal Year Ending Sept.
2014

Revenue

$2,990,225

Expenses

$1,402,796

Net Income

$1,587,429

Net Assets

$15,007,273

Notable Sources of Revenue		Percent of Total Revenue
Contributions	$706,561	23.6%
Program Services	$24,616	0.8%
Investment Income	$896,219	30.0%
Bond Proceeds	$0
Royalties	$0
Rental Property Income	$0
Net Fundraising	$0
Sales of Assets	$1,362,829	45.6%
Net Inventory Sales	$0
Other Revenue	$0

Notable Expenses		Percent of Total Expenses
Executive Compensation	$147,000	10.5%
Professional Fundraising Fees	$0
Other Salaries and Wages	$686,780	49.0%

Assets/Debt
Total Assets	$15,043,042
Total Liabilities	$35,769
Net Assets	$15,007,273

Compensation

Key Employees and Officers	Compensation	Related	Other
Arne Henden (Executive Direc)	$147,000	$0	$0
Matthew Templeton (Data Anlys/Archvst)	$77,250	$0	$0
Rebecca Turner (Data Anlys/Archvst)	$77,250	$0	$0
Donna Young (Data Anlys/Archvst)	$76,546	$0	$0
Michael Saladyga (Data Anlys/Archvst)	$62,799	$0	$0
Richard Kinne (Data Anlys/Archvst)	$61,800	$0	$0
Michael Mattei (Former Council)	$12,000	$0	$0
Jim Bedient (Vice President)	$0	$0	$0
William Goff (Treasurer)	$0	$0	$0
Roger Kolman (Council)	$0	$0	$0
Gary Walker (Secretary)	$0	$0	$0
Kevin Paxson (Council)	$0	$0	$0
Jennifer Sokoloski (President)	$0	$0	$0
Dave Turner (Council)	$0	$0	$0
John Martin (Council)	$0	$0	$0
Edward Guinan (Council)	$0	$0	$0
Kristine Larsen (Vice President)	$0	$0	$0
Doug Welch (Council)	$0	$0	$0
Mario Motta (Past President)	$0	$0	$0
Donn Starkey (Council)	$0	$0	$0

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990

Filed on Feb. 19, 2015

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Fiscal Year Ending Sept.
2013

Revenue

$2,298,760

Expenses

$1,484,751

Net Income

$814,009

Net Assets

$14,694,488

Notable Sources of Revenue		Percent of Total Revenue
Contributions	$669,447	29.1%
Program Services	$13,871	0.6%
Investment Income	$441,874	19.2%
Bond Proceeds	$0
Royalties	$0
Rental Property Income	$0
Net Fundraising	$0
Sales of Assets	$1,173,568	51.1%
Net Inventory Sales	$0
Other Revenue	$0

Notable Expenses		Percent of Total Expenses
Executive Compensation	$147,000	9.9%
Professional Fundraising Fees	$0
Other Salaries and Wages	$665,063	44.8%

Assets/Debt
Total Assets	$14,732,230
Total Liabilities	$37,742
Net Assets	$14,694,488

990

Filed on April 3, 2014

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Fiscal Year Ending Sept.
2012

Revenue

$944,232

Expenses

$1,510,837

Net Income

-$566,605

Net Assets

$14,122,045

Notable Sources of Revenue		Percent of Total Revenue
Contributions	$705,218	74.7%
Program Services	$38,835	4.1%
Investment Income	$311,317	33.0%
Bond Proceeds	$0
Royalties	$0
Rental Property Income	$0
Net Fundraising	$0
Sales of Assets	-$111,138
Net Inventory Sales	$0
Other Revenue	$0

Notable Expenses		Percent of Total Expenses
Executive Compensation	$147,000	9.7%
Professional Fundraising Fees	$0
Other Salaries and Wages	$731,241	48.4%

Assets/Debt
Total Assets	$14,188,493
Total Liabilities	$66,448
Net Assets	$14,122,045

990

Primary tax return for a nonprofit’s activities, finances, and governance

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Fiscal Year Ending Sept.
2011

Revenue

$1,203,692

Expenses

$1,386,739

Net Income

-$183,047

Net Assets

$13,257,413

Notable Sources of Revenue		Percent of Total Revenue
Contributions	$800,653	66.5%
Program Services	$63,425	5.3%
Investment Income	$306,634	25.5%
Bond Proceeds	$0
Royalties	$0
Rental Property Income	$0
Net Fundraising	$0
Sales of Assets	$32,980	2.7%
Net Inventory Sales	$0
Other Revenue	$0

Notable Expenses		Percent of Total Expenses
Executive Compensation	$147,000	10.6%
Professional Fundraising Fees	$0
Other Salaries and Wages	$584,462	42.1%

Assets/Debt
Total Assets	$13,302,521
Total Liabilities	$45,108
Net Assets	$13,257,413

990

Primary tax return for a nonprofit’s activities, finances, and governance

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About This Data

Nonprofit Explorer includes summary data for nonprofit tax returns and full Form 990 documents, in both PDF and digital formats.

The summary data contains information processed by the IRS during the 2012-2019 calendar years; this generally consists of filings for the 2011-2018 fiscal years, but may include older records. This data release includes only a subset of what can be found in the full Form 990s.

In addition to the raw summary data, we link to PDFs and digital copies of full Form 990 documents wherever possible. This consists of separate releases by the IRS of Form 990 documents processed by the agency, which we update regularly.

We also link to copies of audits nonprofit organizations that spent $750,000 or more in Federal grant money in a single fiscal year since 2016. These audits are copied from the Federal Audit Clearinghouse.

Which Organizations Are Here?

Every organization that has been recognized as tax exempt by the IRS has to file Form 990 every year, unless they make less than $200,000 in revenue and have less than $500,000 in assets, in which case they have to file form 990-EZ. Organizations making less than $50,000 don’t have to file either form but do have to let the IRS they’re still in business via a Form 990N "e-Postcard."

Nonprofit Explorer has organizations claiming tax exemption in each of the 27 subsections of the 501(c) section of the tax code, and which have filed a Form 990, Form 990EZ or Form 990PF. Taxable trusts and private foundations that are required to file a form 990PF are also included. Small organizations filing a Form 990N "e-Postcard" are not included in this data.

Types of Nonprofits

There are 27 nonprofit designations based on the numbered subsections of section 501(c) of the tax code. See the list »

Get the Data

For those interested in acquiring the original data from the source, here’s where our data comes from:

Raw filing data. Includes EINs and summary financials as structured data.
Exempt Organization profiles. Includes organization names, addresses, etc. You can merge this with the raw filing data using EIN numbers.
Form 990 documents. Prior to 2017, these documents were obtained and processed by Public.Resource.org and ProPublica. Bulk PDF downloads since 2017 are available from the IRS.
Form 990 documents as XML files. Includes complete filing data (financial details, names of officers, tax schedules, etc.) in machine-readable format. Only available for electronically filed documents. Electronic data released prior to October 2021 is also available through Amazon Web Services.
Audits. PDFs of single or program-specific audits for nonprofit organizations that spent $750,000 or more in Federal grant money in a single fiscal year. Available for fiscal year 2015 and later.

API

The data powering this website is available programmatically, via an API. Read the API documentation »

By Andrea Suozzo, Alec Glassford and Ash Ngu, ProPublica, and Brandon Roberts, Special to ProPublica.
Design by Jeff Frankl. Additional development by Ken Schwencke, Mike Tigas, and Sisi Wei.

E-file viewer adapted from IRS e-File Viewer by Ben Getson. Code for scraping audit documents adapated from Govwiki.

Updated November 21, 2024

American Association Of Variable Star Observers

Organization summary

Type of Nonprofit

Summary charts: organization finances over time

Revenue $692k (2023)

Expenses $1.19M (2023)

Total Assets $16.1M (2023)

Total Liabilities $420k (2023)

Tax Filings by Year

Fiscal Year Ending Sept. 2023

Extracted Financial Data

Extracted Financial Data from Form 990

Compensation

Document Links

990

Fiscal Year Ending Sept. 2022

Extracted Financial Data

Extracted Financial Data from Form 990

Compensation

Document Links

990

Fiscal Year Ending Sept. 2021

Extracted Financial Data

Extracted Financial Data from Form 990

Compensation

Document Links

990

Fiscal Year Ending Sept. 2020

Extracted Financial Data

Extracted Financial Data from Form 990

Compensation

Document Links

990

Fiscal Year Ending Sept. 2019

Extracted Financial Data

Extracted Financial Data from Form 990

Compensation

Document Links

990

Fiscal Year Ending Sept. 2018

Extracted Financial Data

Extracted Financial Data from Form 990

Compensation

Document Links

990

Fiscal Year Ending Sept. 2017

Extracted Financial Data

Extracted Financial Data from Form 990

Compensation

Document Links

990

Fiscal Year Ending Sept. 2016

Extracted Financial Data

Extracted Financial Data from Form 990

Compensation

Document Links

990

Fiscal Year Ending Sept. 2015

Extracted Financial Data

Extracted Financial Data from Form 990

Compensation

Document Links

990

Fiscal Year Ending Sept. 2014

Extracted Financial Data

Extracted Financial Data from Form 990

Compensation

Document Links

990

Fiscal Year Ending Sept. 2013

Extracted Financial Data

Extracted Financial Data from Form 990

Document Links

990

Fiscal Year Ending Sept. 2012

Extracted Financial Data

Extracted Financial Data from Form 990

Document Links

990

Fiscal Year Ending Sept. 2011

Revenue

$692k (2023)

Expenses

$1.19M (2023)

Total Assets

$16.1M (2023)

Total Liabilities

$420k (2023)

Fiscal Year Ending Sept.
2023

Fiscal Year Ending Sept.
2022

Fiscal Year Ending Sept.
2021

Fiscal Year Ending Sept.
2020

Fiscal Year Ending Sept.
2019

Fiscal Year Ending Sept.
2018

Fiscal Year Ending Sept.
2017

Fiscal Year Ending Sept.
2016

Fiscal Year Ending Sept.
2015

Fiscal Year Ending Sept.
2014

Fiscal Year Ending Sept.
2013

Fiscal Year Ending Sept.
2012

Fiscal Year Ending Sept.
2011

Fiscal Year Ending Sept.
2010

Fiscal Year Ending Sept.
2009

Fiscal Year Ending Sept.
2008

Fiscal Year Ending Sept.
2007

Fiscal Year Ending Sept.
2005

Fiscal Year Ending Sept.
2003

Fiscal Year Ending Sept.
2002

Fiscal Year Ending Sept.
2001