M54 - Globular Cluster - Class III

M54 is a Class III Globular Cluster. It was the first globular cluster found outside of our galaxy. M54 belongs to a satellite galaxy of the Milky way called Sagittarius Dwarf Elliptical Galaxy. It was discovered by French Astronomer Charles Messier in 1778. It about 306 light-years in diameter. M54 is located in the constellation Sagittarius at 18h 55m 03.3s RA, -30^o 28m 47.5s DEC. It is 87,400 Light Years from Earth, and has a visual magnitude of 7.6. The best time to observe M54 is late Summer.

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Freeport, IL USA
19 July 2022
22m 45s
Sony A6000
1250
91 Sec
ES127 Triplet
952mm f/7.5

DeepSkyStacker
Pixinsight
Photoshop

1 Session on July 19. Used Darks and Flats.