M92 Globular Cluster

Messier 92 (also known as M92 or NGC 6341) is a globular cluster of stars in the northern constellation of Hercules. It was discovered by Johann Elert Bode in 1777, then published in the Jahrbuch during 1779.[8] The cluster was independently rediscovered by Charles Messier on March 18, 1781 and added as the 92nd entry in his catalogue.[9] M92 is at a distance of about 26,700 light-years away from Earth.

M92 Globular Cluster

Object:

M92 Globular Cluster in Hercules

Date:

June 13th and 14th

Equipment:

Telescope: Takahashi Sky 90II with F/4.5 reducer/flattener

Camera: SBIG ST-2000XM w/ CFW9v2 (Astronomik HaLRGB)

Autoguider: Orion Starshoot

Guidescope: Orion 80mm Shorty

Mount: Celestron CG-5 Mount

Exposure Info:

L: 9 x 5 mins (1×1 bin)
R: 12 x 3 mins (2×2 bin)
G: 8 x 3 mins (2×2 bin) – clouds rolled in at 2am so I had to toss 4 subs
B: 12 x 3 mins (2×2 bin)
Dark and Flat Frame Calibrated

Total Exposure Time: 2 hours 21 mins

Processing:

Maxim DL 5.23, Photoshop CS6

Notes:

After successfully imaging the M13 Globular Cluster, I decided to image M92, which is also in the constellation Hercules.

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