NGC 6638 - Globular Cluster - Class VI

NGC 6638 is a Class VI Globular Cluster.  It was discovered by British Astronomer William Herschel in 1784.  NGC 6638 is located in the constellation Sagittarius at 18h 30m 56.2s RA, -25o 29m 45s DEC.  It is 31,300 Light Years from Earth, and has a visual magnitude of 9.5. The best time to observe NGC 6638 is in the Late Summer.
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Freeport, IL  USA
22 August 2021
16m 41s
Sony A6000
1250
91 Sec
ES127 Triplet
952mm  f/7.5


DeepSkyStacker
Pixinsight
Photoshop

1 Session.  Used Darks and Flats.



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