M3 - Globular Cluster - Class VI

M3 - Is a Class II Globular Cluster that was the first object in the Messier Catalog to be discovered by French Astronomer Charles Messier in 1764.  It is one of the best-studied globular clusters because of an unusually large variable star population.  It is 180 light-years in diameter and contains over 500,000 stars.   M3 is located in the constellation Canes Venatici at 13h 42m 11.6s RA, +28o 22m 38.2s DEC and is 18' arc minutes. It is 33,900 Light Years from Earth, and has a visual magnitude of 6.2. The best time to observe M3 is in May.
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Freeport, IL  USA
5 June 2021
28m 49s
Sony A6000
1250
91 Sec
ES127 Triplet
952mm  f/7.5


DeepSkyStacker
Pixinsight
Photoshop

1 Session on June 5.  Used Darks and Flats.



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