M38 = NGC1912 ( 5h 28.7m +35°50´, 6.4 mag. ) and NGC1907
This open cluster in Auriga was discovered by Hodierna prior to 1654 and again by LeGentil in 1749. Messier observed it on Sept. 25, 1764. It is located some 4,200 ly away, measures 25 ly across and contains over 100 stars. It is easy to find in binocular about 5° EES of q Aurigae (see finder chart below).
M38 image represents autoguided 20 min. exposure on Ektachrome P1600 taken on Oct.26, 1998 through Ultima 8 f6.3 from Sooke, BC. Distant open cluster NGC1907 is visible near the right edge of this image.
North is to the left.
Map created in Guide 7.0 - 9° x 10°30'. North is up.
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© Jan Wisniewski