NGC 6144 also designated IC 4606, is a magnitude 9.0, globular cluster located in the constellation Scorpius.  It was first discovered by Friedrich Wilhelm Herschel in 1784.

 

ABOUT THE IMAGE

DATE/TIME:  The evening and early morning of June 13th and 14th 2013.

CAMERA:  Canon XSI, 450Da

TELESCOPE:  Celestron C9.25 SCT @ F/6.3

MOUNT:  Celestron CGE Pro

ISO SETTING:  800

EXPOSURES:  23

EXPOSURE LENGTH:  300sec.

TOTAL EXPOSURE LENGTH:  1hr, 55min.

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

CAPTURE SOFTWARE:  MaximDL

STACKING SOFTWARE:  Deep Sky Stacker

PROCESSING:  Photoshop CS3

 

 

 

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