Active Observers (Data submitted within the last year)
| OBS ID | Observer Name | Station Location |
| A-94 | Al McWilliams | St Cloud, MN, USA |
| A-96 | Roberto Battaiola | Milan, Italy |
| A-97 | Jon Wallace | Torrington, CT, USA |
| A-118 | Lionel Loudet | Muret, France |
| A-119 | Jean-Pierre Godet | le Vauroux, France |
| A-120 | Bob Terrill | Ballarat, Victoria, Australia |
| A-122 | Frank Adamson | Queensland, Australia |
| A-125 | Susan Oatney | Partridge, KS, USA |
| A-129 | Klemen Cotar | Kranj, Slovenia |
| A-131 | Ján Karlovský | Hlohovec Observatory, Slovakia |
| A-134 | Rod Green | Geelong, Australia |
| A-136 | Radovan Mrllák | Hradec Králové, Czech Republic |
| A-138 | Salvador Aguirre | Hermosillo, Mexico |
| A-141 | George Silvis | Bourne, MA, USA |
| A-142 | Igor Ryumshin | Shchigry, Russia |
| A-143 | Ralph Rogge | Constance, Germany |
| A-146 | Ken Menzies | Durham, MA, USA |
| A-147 | Rich Russel | Colorado Springs, CO, USA |
| A-148 | Gonzalo Vargas | Cochabamba, Bolivia |
| A-149 | Louw Ferreira | Port Elizabeth, South Africa |
| A-151 | Alex Maevsky | Cherepovets, Russia |
Past/Inactive Observers (Since 1959)
| OBS ID | Observer Name | Station Location |
| A-01 | D Warshaw | Valley Cottage, NY |
| A-02 | Mr. W. A. Feibelman | (Address unknown) |
| A-03 | P Del Vecchio | Paterson, NJ |
| A-04 | William Val Isham | Columbus, OH |
| A-05 | Casper Hossfield | New Milford, NY |
| A-06 | Ralph N. Buckstaff | Oshkosh, WI |
| A-08 | Walter Scott Houston | Haddam, CT |
| A-09 | Werner Scharlach | Tucson, AZ |
| A-15 | Mr. Markson | Averill Park,NY |
| A-17 | Prof. C.A. Schoute-Vanneck | Durban, South Africa |
| A-18 | Richard H. Davis | Scituate, MA |
| A-19 | J Slezak | Latrobe, PA |
| A-20 | David Demuth | (Address unknown) |
| A-21 | Keith L. Strait | Littleton,CO |
| A-22 | Leif Robinson | |
| Dr. Sarah J. Hill | Wellesley, MA | |
| A-23 | Russ Maag | St. Joseph, MO |
| A-24 | Prof. E.A. Barnhardt | |
| Joe Rutledge | (Address unknown) | |
| A-25 | Wolfgang Banks | (Address unknown) |
| A-26 | W Moore | Louisville, KY |
| A-28 | P Richmond | Mayfield Village, OH |
| A-27 | John Krall | Pleasant Unity, PA |
| A-29 | Andy Clerkin | Bedford, MA |
| A-30 | Howard Krawetz | Sunnyvale, CA |
| A-31 | R Ammons | Missoula, MT |
| A-32 | Bruce Wingate | Lake Hiawatha,NJ |
| A-33 | Mr. Woolsey | Glen Ellyn, IL |
| A-34 | Allen S. Clarke | Pinehurst, NC |
| A-35 | Mr. Chris Faust | Brooklyn Park, MN |
| A-36 | Ralph V. Rickett | Worthington, OH |
| A-37 | S Wingester | Yakima, WA |
| A-38 | Neal R. Scott | Ormond Beach, FL |
| A-39 | Paul Boltwood | Somerset, Bermuda |
| A-40 | Norman Parker | Banning, CA |
| A-41 | K Klett | Ft. Riley, KS |
| A-42 | Dr. V. Barocas | Lancashire, UK |
| A-43 | C Bisdee | Hobart, Tasmania |
| A-46 | P Conroy | Paterson, NJ |
| A-48 | J Ruth | Thornwood, |
| A-49 | Reid Martin | Tavares, FL |
| A-50 | Jerry Winkler | Houston, TX |
| A-51 | J Medsker | Portage, MI |
| A-52 | Dominic Toldo | Edenvale, South Africa |
| A-52 | Danie Overbeek | Edenvale, South Africa |
| A-53 | Bill Waller | Agassiz Station, MA |
| A-54 | B Ammons | Durham, NC |
| A-55 | J Ince | Eureka, MT |
| A-57 | B Ammons | Eugene, OR |
| A-59 | Steve Hansen | Amherst, NH |
| A-61 | Peter Taylor | Spring Green, WI |
| A-62 | Art Stokes | Hudson, OH |
| A-63 | James Ellerbe | Nerja, Spain |
| A-68 | M Taylor | Dodgeville, WI |
| A-69 | G Rosenberg | Tucson, AZ |
| A-72 | Len Witkowski | Sun City Center, FL |
| A-74 | M Hayden | Gettysburg, PA |
| A-76 | D Lucas | Wellington, OH |
| A-77 | R Papp | Cranford, NJ |
| A-78 | R Van Allen | Nampa, ID |
| A-80 | Peter King | Cambridge, England |
| A-81 | A Landry | Rochester, NH |
| A-82 | Joseph Lawrence | Columbia City, IN |
| A-83 | Alex Panzer | Parma, OH |
| A-84 | Walter Moos | Koniz, Switzerland |
| A-85 | B Sanderson | Indianapolis, IN |
| A-86 | D Levit | Crystal Lake, IL |
| A-87 | Mike Hill | Marlboro, MA |
| A-89 | M Dormann | Seattle, WA |
| A-90 | Jim Mandaville | Tuscon, AZ |
| A-91 | Len Anderson | Perth, West Australia |
| A-92 | Carl Feehrer | Bedford, MA |
| A-93 | Guglielmo Di Filippo | Isola del Gran Sasso, Italy |
| A-95 | Ted Poulos | Brookline, MA |
| A-98 | W Anthony (NJAA) | Somerville, NJ |
| A-99 | Michael King | Sussex, London |
| A-100 | Paul Campbell | Edmonton, Alberta, Canada |
| A-101 | Giorgio Bressan | Udine City, Italy |
| A-102 | Francois Steyn | Villiersdorp, South Africa |
| A-103 | Biswajit Bose | Calcutta, India |
| A-104 | Doug Welch | Dundas, Ontario |
| A-105 | Erik Smith | Hoogstraten, Belgium |
| A-107 | Nick Stoikidis | Larissa Observatory, Greece |
| A-108 | Paul Mortfield | Toronto, Canada |
| A-110 | Truman State U. | Kirksville, MO |
| A-111 | Kenyon Lenart | Jackson, MI |
| A-112 | Andries Son | Neerpelt, Belgium |
| A-115 | Mark Suhovecky | Mishawaka, IN |
| A-116 | Trent Bjorndahl | Edmonton, AB, Canada |
| A-117 | Ken Hubal | Seville, OH |
| A-121 | Rodney Howe | Fort Collins, CO |
| A-124 | Gary Myers | Bothell, WA |
| A-126 | Gary Perry | Adamsdown, Cardiff, UK |
| A-127 | Martin Kinder | London, UK |
| A-128 | Gary Richardson | Marblemount, WA |
| A-130 | Steve Zinn | Harleysville, PA |
| A-132 | Emmanuel Soubrouillard | Pierrefeu du Var, France |
| A-133 | Tarif Rashid Santo | Dhaka, Bangladesh |
| A-135 | Teodor Pinter | Hurbanovo, Slovak |
| A-137 | Dan Koawl | Teller, Alaska |
| A-139 | Fabrizio Francione | Turin, Italy |
| A-140 | Laurent Corp | Rodez, France |
| A-144 | Euro Atencio | Orlando, FL, USA |
| A-145 | Michael Stephanou | Athens, Greece |
Last Updated: 10/16/2018