M41 = NGC2287 ( 6h 47.0m -20°44´, 4.5 mag. )
This open cluster in Canis Major is visible with a naked eye 4° S of Sirius (a Canis Majoris - see finder chart below) and was mentioned by Aristotle in 325 BC. Messier observed it on Jan. 16, 1765. M41 is located 2,100 ly away and contains about 150 stars.
The above image represents manually guided 20 min. exposure on Ektachrome P1600. It was taken with Ultima 8 f6.3 telescope near London, Ontario on December 26, 1995.
North is to the right.
Map created in Guide 7.0 - 7°45' x 7°45'. North is up.
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© Jan Wisniewski