Messier 30 (also known as M30 or NGC 7099) is a globular cluster in the Capricornus constellation. It was discovered by Charles Messier in 1764. M30 is at a distance of about 28,000 light-years away from Earth, and about 90 light-years across.

http://en.wikipedia.org/wiki/Messier_30

 

ABOUT THE IMAGE

DATE/TIME:  Evening of Sept. 1st, 2010.

CAMERA:  Canon XSI, 450D modified

TELESCOPE:  Orion 100ED @ F/18

ISO SETTING:  1600

EXPOSURES:  25

EXPOSURE LENGTH:  200sec.

TOTAL EXPOSURE LENGTH:  1hr. 25min.

SUBTRACTIONS: 20 dark frames and 10 bias frames.

CAPTURE: MaximDL

STACKING/PRE-PROCESSING: Deep Sky Stacker

PROCESSING: Photoshop CS3

 

 

 

 

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