This is a list of members (and past members) that have received different Astronomical League certificates. They are listed in alphabetical order, with the certificate name and number. See the Astronomical League for a description of the different observing clubs.
Key-
Introductory
- CH - Constellation Hunter Club
- CHS - Constellation Hunter, Southern Skies, Club
- L - Lunar Club
- SP - Sky Puppy Club*
- US -Universe Sampler Club
Binocular
- BM - Binocular Messier Club
- DSB - Deep Sky Binocular Club
- SS - Southern Skies Binocular Club
Telescopic
- ARP - Arp Peculiar Galaxy Club
- C - Caldwell Club
- HI - Herschel 400 Club
- HII - Herschel II Club*
- GGC - Galaxy Groups & Clusters Club*
- GC - Globular Cluster Club
- M - Messier Club
- OC - Open Cluster Club
- PN - Planetary Nebula Club
- SCT - Southern Sky Telescopic Club
- U - Urban Observing Club
Topical
- AO - Asteroid Observing Club
- CO - Comet Observers Club*
- DS - Double Star Club
- EOS - Earth Orbiting Satellite Observing Club
- LC - Lunar II Club*
- MO - Master Observer Club
- MC - Meteor Club
- ORC - Outreach Club*
- POC - Planetary Observers Club
- SUN - Sunspotters Club
* No HAS member has received these certificates
- Arnold, Stephen - M1135, BM71
- Benthall, James - BM219
- Berlund-Drake, Paula - M883
- Bohley, Robert - M1837, BM501
- Cate, James - M2359
- Carman, Ron - US3,M1635
- Christian, Bill - M848
- Cruz, Ramiro - M1076, HI107
- Cudnik, Brian - HI349, M2351, L607
- Curtis, Chris - M1137
- Curtis, Renee - M1136
- Davis, Kerry - M771
- Delevoryas, Matt - M650, HI42
- Drake, Kenneth - M899
- Ford, David - M2284
- Foulger, Paul - M1168, BM227
- Fox, Tom - HI60
- Foyt, Charles - L66, MC6, BM293, M1522
- Gilchrist, Allen - M744
- Goldberg, Amelia - M802, US1, MC95(6), HI272, L435, BM641, CH25, C76, DS224, DSB220, ARP45-V, MO55 (The second for HAS)
- Goldberg, Steve - M725,DS237
- Hagelgans, Nelson - M1468
- Hand, Bill - M385
- Harrison, John - BM129
- Houston, Gordon - L514, DS335, BM733, GC74, POC45, DSB238, M2358, HI371, PN11, U108, MO76 (The third for HAS)
- Jeter, Clayton - M780, HI301, DS318, L568, U107
- Jones, Norman - M307
- Kaestner, Arnie - M1305
- Kaufman, Ken - M882
- Lambert, Jayne - US5, BM374,M1951
- Lawrence, Mark - M1369
- Levy, Jay - M1503, US4, L88, BM187, SUN14, MC73(12,18,24,30,36)
- McCormick, Doug - L233, US14T, SUN33, M1940, BM591, POC21, C462, HI323, U84, DS315, MO48 (The first for HAS)
- Miller, J.P. - M1307
- Miller, Ken - M2203
- Mitchell, Larry - M851, HI46
- Mitchell, Scott - M1110
- Norris, John - M1418
- Nugent, Richard - M1448, BM107
- Odom, Dan - M1012
- Overcash, Loyd - M1349
- Parker, Michelle - BM50
- Pellerin, Bill - M1332, DS100
- Powell, Steven - M2000
- Pollard, Randy - M386
- Preston, Ed - BM100, M1865
- Raif, Leonard - M832
- Ray, Glenn - M1383
- Reyes, Ana - M984
- Rogers, Bob - M1521, BM638
- Sartor, Steve - M1969, BM786
- Sexton, Carl - M552
- Spore, Susan - M1348, US2, HI354
- Stradley,George - M2259, BM699
- Wadle, Larry - US71(T), US75(N), CH55, DS362, BM794, SS67, CHS1, MC125
- Wiens, Orv - M1563
- Williams, Mark - M1370, ARP6C
- Williams, Tom - M344
- Wilson, Barbara - M766, HI68, C80 - Certified by Sir Patrick Moore
- Windland, Mike - M772
- Wundt, Warren - M1306