ein,name,tax_period,posting_year,city,state,ntee_code,total_revenue,contributions,program_revenue,total_expenses,program_expenses,fundraising_expenses,salaries_total,highest_paid,highest_paid_name,employees,volunteers,donation_share_pct,program_ratio_pct
860138043,ASSOCIATION OF UNIVERSITIES FOR RESEARCH,2024-09-30,2025,Tucson,AZ,U31,450393254,244021913,205087629,447255915,405705499,0,249006053,566893,CHARLES MOUNTAIN,1581,20,54.2,90.7
530196523,CARNEGIE INSTITUTION OF WASHINGTON,2024-06-30,2025,Washington,DC,U31,85558236,19290581,9773088,113980117,81505531,2917683,63333937,1153104,DR ERIC D ISAACS,541,25,22.5,71.5
942951356,SETI INSTITUTE,2024-09-30,2025,Mountain View,CA,U31,55182076,50678280,0,28838314,19879710,554870,17200164,334364,BILL DIAMOND,147,12,91.8,68.9
953972799,CALIFORNIA ASSOCIATION FOR RESEARCH IN,2024-09-30,2025,Kamuela,HI,U31,30370507,1878717,25061121,32945269,27717351,635133,20682705,591195,MR HILTON LEWIS,159,12,6.2,84.1
210735173,AMERICAN ASTRONOMICAL SOCIETY,2024-12-31,2025,Washington,DC,U31,21867046,2286816,19118985,21688245,17402334,0,9416821,480809,KEVIN B MARVEL,46,250,10.5,80.2
262637707,GMTO CORPORATION,2024-06-30,2025,Pasadena,CA,U31,21214460,19984346,0,46043471,36535321,2486366,23209930,506774,ROBERT SHELTON,98,14,94.2,79.3
860724677,Large Binocular Telescope Corporation,2024-12-31,2025,Tucson,AZ,U31,15240683,15123001,0,22090572,19896507,0,27500,27500,Adriano Fontana,0,13,99.2,90.1
300833462,TMT INTERNATIONAL OBSERVATORY LLC,2024-12-31,2025,Monrovia,CA,U31,13198485,12385209,0,16449330,12614699,0,5574332,837584,ROBERT KIRSHNER,55,17,93.8,76.7
860098918,LOWELL OBSERVATORY,2024-12-31,2025,Flagstaff,AZ,U31,11946368,7331293,3967818,19482906,15171860,1757523,11647319,201538,HALL JEFFREY,183,94,61.4,77.9
542078469,B612 Foundation,2024-12-31,2025,Mill Valley,CA,U31,5593484,5534344,0,4261919,3923294,78437,914600,250000,A Koumjian,8,6,98.9,92.1
911265806,Astrophysical Research Consortium,2024-12-31,2025,Seattle,WA,U31,5210557,58527,4558799,11175826,10714519,0,3238282,116354,Alim Patten,60,18,1.1,95.9
270184094,BLUE MARBLE SPACE,2024-09-30,2025,Seattle,WA,U31,4784107,247498,4504237,4521185,4110698,0,3000975,154491,MILENA POPOVIC,35,222,5.2,90.9
860669456,WIYN CONSORTIUM INC,2024-09-30,2025,Tucson,AZ,U31,3585737,784912,2746458,4306506,3797479,0,0,138364,JAYADEV RAJAGOPAL,0,12,21.9,88.2
860944542,SOAR CONSORTIUM INC,2024-09-30,2025,Tucson,AZ,U31,3363516,0,3222281,4425676,3996237,0,0,190171,DR JONATHAN ELIAS,0,11,0.0,90.3
046156432,Northeast Radio Observatory Corporation,2024-06-30,2025,Cambridge,MA,U31,2682109,2682109,0,2673955,2672109,0,0,0,Min Yun,0,0,100.0,99.9
020225135,MOUNT WASHINGTON OBSERVATORY,2024-03-31,2024,North Conway,NH,U31,2603845,2038962,156945,2290645,1542029,481215,1412246,111748,DREW BUSH,32,30,78.3,67.3
940294860,ASTRONOMICAL SOCIETY OF THE PACIFIC,2024-09-30,2025,San Francisco,CA,U31,2438868,1964165,292137,3048994,2244769,123706,1427106,174290,LINDA SHORE retired Jan 2024,21,25,80.5,73.6
953374645,GRIFFITH OBSERVATORY FOUNDATION,2024-12-31,2025,Los Angeles,CA,U31,1876983,1582986,177555,2740296,1964088,350966,1163970,133081,ANN MARIE BEDTKE,12,72,84.3,71.7
770132297,MOUNT WILSON INSTITUTE,2024-12-31,2025,Pasadena,CA,U31,1165408,369340,485290,946377,797456,0,394993,0,MR SAMUEL D HALE,16,178,31.7,84.3
526054301,ASTRONOMICAL LEAGUE,2024-06-30,2025,Lawton,OK,U31,1089588,983291,0,254478,121744,0,0,0,MICHAEL COUCKE,0,,90.2,47.8
042164402,AMERICAN ASSOCIATION OF VARIABLE STAR OB,2024-09-30,2025,Cambridge,MA,U31,1074729,188109,156029,1216226,743500,64566,754418,182132,DR BRIAN KLOPPENBORG,7,800,17.5,61.1
526053513,AMERICAN ASTRONAUTICAL SOCIETY INC,2024-12-31,2025,Springfield,VA,U31,1043824,110297,940639,927697,730117,0,288029,161306,JAMES A WAY,0,0,10.6,78.7
463183809,Wyoming Star Gazing,2024-12-31,2025,Jackson,WY,U31,751325,136516,614306,673768,621741,14713,157234,74467,Samuel Wasserman Singer,5,4,18.2,92.3
562108640,PISGAH ASTRONOMICAL RESEARCH,2024-12-31,2025,Rosman,NC,U31,727738,273214,239404,1212025,955396,16972,473714,0,J DONALD CLINE,22,7,37.5,78.8
311585646,MARS SOCIETY INC,2024-03-31,2025,Lakewood,CO,U31,657438,220000,436883,744050,727826,0,0,0,JAMES HEISLER,0,35,33.5,97.8
370990161,MUFON Mutual UFO Network Inc,2024-12-31,2025,Cincinnati,OH,U31,637458,405763,143690,780315,155074,0,0,0,David MacDonald,0,,63.7,19.9
237128629,Monterey Institute for Research in Astronomy,2024-12-31,2025,Marina,CA,U31,397080,281977,500,461456,1547001,0,330180,0,Gordon Jones,7,6,71.0,335.2
824265651,OPEN LUNAR FOUNDATION,2024-12-31,2025,Covina,CA,U31,339356,338960,0,659131,386733,40970,366786,119562,RACHEL WILLIAMS,5,35,99.9,58.7
680649259,Astronomers without Borders,2024-12-31,2025,Calabasas,CA,U31,205524,15884,0,146970,71028,3338,45903,0,Timothy Spuck,3,,7.7,48.3
611689911,ROCKLAND ASTRONOMY CLUB,2024-12-31,2025,Stony Point,NY,U31,194713,4725,189986,201340,159143,0,0,0,MIES HORA,0,,2.4,79.0
770616930,ADIRONDACK PUBLIC OBSERVATORY INC,2024-12-31,2025,Tupper Lake,NY,U31,185687,160870,0,163082,90147,2043,56641,28404,NATALIE ZUREK,2,0,86.6,55.3
830931665,PROJECT NIGHT SKY,2024-12-31,2025,Huntsville,AL,U31,150000,150000,0,193737,193737,0,137038,0,TIM CATON,3,,100.0,100.0
200988966,TMT OBSERVATORY CORPORATION,2024-09-30,2025,Monrovia,CA,U31,132115,0,0,61221,0,0,20333,317058,R DAVID GOODMAN,5,7,0.0,0.0
454104640,CCAT OBSERVATORY INC,2024-06-30,2025,Ithaca,NY,U31,91034,41294,0,811054,543391,0,233493,0,MICHEL FICH,0,25,45.4,67.0
363254326,INTERNATIONAL OCCULTATION,2024-12-31,2025,Fountain Hls,AZ,U31,59923,2827,28203,47840,47840,0,0,0,ROGER VENABLE,0,500,4.7,100.0