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Author Topic: M 92 Globular cluster  (Read 2384 times)


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M 92 Globular cluster
« on: May 15, 2016, 08:37:55 am »
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. The cluster was independently rediscovered by Charles Messier on March 18, 1781 and added as the 92nd entry in his catalogue. M92 is at a distance of about 26,700 light-years away from Earth ( Wikipedia )

I take this picture at 30 exposition of 1,5 seconds each one. A total exposure time of 45 second.

In my opinion, short exposures respects best the centre of the cluster and don't over expose neighboring stars.
Skywatcher 200/800
Celestron 135/650

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