M35 = NGC2168 ( 6h 08.9m +24°20´, 5.1 mag. ) & NGC2158
This rich open cluster in Gemini was known prior to 1745, when de Cheseaux included it on his list. Messier observed it on Aug. 30, 1764. M35 is 2,800 ly distant and contains about 430 stars. It is visible in binoculars 1°30' NE of 1 Geminorum (see finder chart below).
The above image represents autoguided 20 min. exposure on Ektachrome P1600 taken through Ultima 8 f6.3 SCT on October 26, 1998 from Sooke, BC. More distant open cluster NGC2158 (16,000 ly away) is noticable in the lower left corner.
North is up.
Map created in Guide 7.0 - 7°45' x 7°45'. North is up.
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© Jan Wisniewski