M47 Open Star Cluster

M47 is a bright open star cluster that shines at magnitude 4.4 in the constellation Puppis. This galactic star cluster was discovered by Charles Messier in February 1771 at the same time that he discovered M46, which is located only about 1.5 degrees away. This cluster has about 45 stars that are members of the cluster. The brightest star in the cluster is a magnitude 5.7 B2 giant star.

This is an RGB color composite CCD image taken with a Takahashi FCT-150 using an ST-8XE. This image was taken from my backyard in Scottsdale.

M47 (NGC 2422)
Constellation: Puppis
RA:07h 36m 52s Dec:-14d 29' 40"
April 9, 2006
Image by Sid Leach
Scottsdale, Arizona

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