Globular Cluster Messier 71 (M71 or NGC 6838)

            Messier 71 (M71 or NGC 6838) is a globular cluster in the small northern constellation Sagitta and is about 12,000 light years away from Earth. Up until the 1970’s this cluster was designated as a densely packed open cluster because of the loose central region, today it is designated as a loosely concentrated globular cluster with a young age of 9-10 billion years.

Observation data (J2000 epoch)
Class: X-XI
Constellation: Sagitta
Right ascension: 19h 53m 46.49s
Declination: +18° 46′ 45.1″
Apparent magnitude (V): 8.2
Apparent dimensions (V): 7.2'

Tech Specs: Sky-Watcher Esprit 120ED Telescope, ZWO ASI2600MC camera running at 0F, 85x60 seconds guided exposures, Sky-Watcher EQ6R-Pro pier mounted, ZWO EAF and ASIAir Pro, processed in DSS and PixInsight. Image Date: May 18, 2023. Location: The Dark Side Observatory (W59), Weatherly, PA, USA (Bortle Class 4).

   

Taken in: United States / Pennsylvania / Packer Township (show map)

Taken on: May 19, 2023

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Tom Wildoner

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