Public groups Open to the whole community.

Name Category Last activity Members Images Forum posts
Entre Encinas y Estrellas (e-EyE) Professional network 18 91 0
IAS - Internationale Amateursternwarte Club or association 7 92 4
Barnard Astronomical Society of Chattanooga Club or association 4 190 0
Astrofreunde-Franken Club or association 8 327 1
Mirasteilas Observatory, Falera, Switzerland Club or association 1 34 0
Observatory Mariazell Club or association 7 292 2
Astronomical Society of Victoria (ASV) Club or association 15 467 0
Ghezz Observatory Club or association 2 124 0
Avex Club or association 11 684 1
Cloudy Nights Internet community 155 11913 0
AAA : Astronomes et Astrographes Amateurs Internet community 68 4431 0
Beginners AP Internet community 64 299 28
Musical Imagers Internet community 10 105 27
RONALDO OLIVA ASTRONOMIA EM BH MG Friends or partners 0 0 8
Northeast Imagers Geographical area 27 241 74
Made in Tivoli/Namibia Geographical area 3 54 0
Dutch Imagers Geographical area 2 1 0
UK Astro-Imaging Geographical area 33 204 83
Sicilian AstroImagers Geographical area 3 16 0
Astro Imagers of Hong Kong Geographical area 4 12 0
Images of Taiwan Geographical area 28 216 0
Members of Deep Sky West Geographical area 37 508 19
Imagers of Switzerland Geographical area 15 154 45
Nuremberg Public Observatory Geographical area 10 178 0
"Nordish by nature" Geographical area 14 194 5
SF Bay Area Imagers Geographical area 18 131 27
Members of AstroCamp in Nerpio, Spain Geographical area 4 88 4
Imagers of Italy Geographical area 64 4290 10
Very Wide Field Specific to an imaging technique 36 301 0
The OSC Club (One Shot Camera) Specific to an imaging technique 32 462 4
Narrowband imaging Specific to an imaging technique 190 1611 29
Mono Only Specific to an imaging technique 60 322 0
Deep Sky Mosaics Specific to an imaging technique 67 140 33
Short exposures DSO Specific to an imaging technique 23 130 4
Hubble Legacy Archive Specific to an imaging technique 6 21 0
Star Trails Specific to an imaging technique 12 23 0
Arp's Peculiar Galaxies Specific to an astrophotography target 27 67 1
Great Red Spot (GRS) movie project Specific to an astrophotography target 29 75 98
Comets Imaging Specific to an astrophotography target 39 269 2
Solar System Imaging Specific to an astrophotography target 55 1300 1
Planetary Nebulae Specific to an astrophotography target 52 306 0
Sun in hydrogen 656 nm light Specific to an astrophotography target 14 166 6
Skywatcher Star Adventurer Specific to certain equipment 54 304 30
Adaptive Optics Specific to certain equipment 2 1 8
Astrophotography with Dobson Specific to certain equipment 3 11 0
Nexstar8SE All-Stars Specific to certain equipment 1 4 0
Halpha by reflex Specific to certain equipment 4 17 0
Sony 694 Images Specific to certain equipment 21 107 1
FLI Microline images Specific to certain equipment 1 13 0
C8 XLT Celestron Deep Space Specific to certain equipment 4 46 0
Gso 8 RC Telescope Images Specific to certain equipment 12 403 4
DSLR narrowband Specific to certain equipment 22 86 0
WO Star 71 Specific to certain equipment 26 106 61
QHY Users Group Specific to certain equipment 45 315 24
ASI 071 mcc Specific to certain equipment 1 1 1
Maksutov imaging Specific to certain equipment 1 0 0
Ritchey Chretien telescopes GSO Family Specific to certain equipment 17 96 7
Fast Newtonians Specific to certain equipment 33 317 21
"Simply Stellarvue" Specific to certain equipment 24 268 0
Sony ICX814 Specific to certain equipment 4 105 0
Cave Astrola Specific to certain equipment 1 3 0
Images from the EdgeHD Series Specific to certain equipment 24 241 29
Moravian Users Specific to certain equipment 6 9 10
DSLR/Mirrorless Imagers from the World Specific to certain equipment 131 1601 27
CMOS Imagers Specific to certain equipment 41 326 0
Camera Lens Astrophotography Specific to certain equipment 120 1265 54
The refractors! Specific to certain equipment 123 1839 0
Cooled Color Cams Specific to certain equipment 4 11 0
Schmidt-Cassegrain Telescope (SCT) Imagers Specific to certain equipment 76 749 22
ZWO ASI1600MM Specific to certain equipment 195 1274 191
Objects of the South - negative declination only Other 1 3 0
PSES - Grade 5 - 2017 - Ms. DeSantis Other 1 10 0
INDI Users Other 22 108 0
Equipment showcase Other 67 106 0
Suburban Astrophotography Other 103 1317 75
Unique and Unusal Deep Sky Targets Other 9 89 1
Atmospheric optics and skyscapes Other 9 15 0
Image the Universe Other 25 50 0
Low-Cost Astrophotography Other 46 333 33