M80 (also known as Messier 80 or NGC6093 ) is a globular cluster located approximately 32,600 light-years away from Earth in the constellation Scorpius.  It was discovered by Charles Messier in 1781.

http://en.wikipedia.org/wiki/Messier_80

 

ABOUT THE IMAGE

DATE/TIME:  The evening of May 29th 2013.

CAMERA:  Canon XSI, 450Da

TELESCOPE:  Celestron C9.25 SCT @ F/6.3

MOUNT:  Celestron CGE Pro

ISO SETTING:  800

EXPOSURES:  40

EXPOSURE LENGTH:  100sec.

TOTAL EXPOSURE LENGTH:  1hrs, 8min, 20sec.

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

CAPTURE SOFTWARE:  MaximDL

STACKING SOFTWARE:  Deep Sky Stacker

PROCESSING:  Photoshop CS3