M69 also known as Messier 69 or NGC 6637, is a globular cluster which lies approximately 29,700 light-years distant in the constellation Sagittarius.  It was discovered by Charles Messier August 31st, 1780.  On the same night he also discoverd M70.

http://en.wikipedia.org/wiki/Messier_69

 

ABOUT THE IMAGE

DATE/TIME:  The evenings of August 3rd, 9th and 11th, 2013.

CAMERA:  Canon XSI, 450Da

TELESCOPE:  Celestron C9.25 SCT @ F/6.3

MOUNT:  Celestron CGE Pro

ISO SETTING:  800

EXPOSURES:  19

EXPOSURE LENGTH:  200sec.

TOTAL EXPOSURE LENGTH:  1hrs, 3min, 20sec.

SUBTRACTIONS:  24 darkframes, 40flat frames, 16darkflat frames

CAPTURE SOFTWARE:  MaximDL

STACKING SOFTWARE:  Deep Sky Stacker

PROCESSING:  Photoshop CS3

 

 

 

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