Globular Cluster M92 in Hercules
M92 (also designated as NGC 6341) is a globular cluster in the constellation Hercules. It was discovered by Johann Elert Bode in 1777 and independently rediscovered by Charles Messier on March 18, 1781. M92 is at a distance of about 26,000 light-years away from Earth.
M92 is one of the brighter globular clusters in the northern hemisphere, but it is often overlooked by amateur astronomers because of its proximity to the even more spectacular Messier 13. It is visible to the naked eye under very good conditions
Photo Details

Telescope: Celestron C8N (1000mm)

Camera: Sbig ST-2000XM, Filter wheel, Baader 1.25" LRGB filtes

Mount: NJP Takahashi

Guiding: Self-guided

Exposure: LRGB 3h

Other information: very good seeing and transparency