IC2157 = Cr80 = Tr4 (Open Cluster) :the small cluster located to right of center,
M35 = NGC2168 = Cr82 = Mel.41 (Open Cluster) :the big cluster located to left,
NGC2158 = Cr81 = Mel.40 (Open Cluster) :the small cluster located to left of center
[Gemini]
Dec.11 1999, 23h58m JST (8min. Exposure)
Location: the Hikoma, Tanuma town, Tochigi pref., Japan
Epsilon210c (21cm-reflector, f=628mm, F:3.0), Fuji-film SGA800 Object Data
