Globular Cluster M107 (also known as Messier Object 107 or NGC 6171) is a very loose globular cluster in the constellation Ophiuchus. It was discovered by Pierre M├ęchain in April 1782 and independently by William Herschel in 1793.

http://en.wikipedia.org/wiki/Messier_107

 

ABOUT THE IMAGE

DATE/TIME:  The evening of May 29th, 2011.

CAMERA:  Canon XSI, 450Dm

TELESCOPE:  Orion 100mm ED refractor @ F/18

ISO SETTING:  800

EXPOSURES:  23

EXPOSURE LENGTH:  200sec.

TOTAL EXPOSURE LENGTH:  1hr. 16min. 40sec.

SUBTRACTIONS:  10 darkframes, 10 bias frames

CAPTURE SOFTWARE:  MaximDL

STACKING SOFTWARE:  Deep Sky Stacker

PROCESSING:  Photoshop CS3

 

 

 

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