M33, also designated NGC 598, is a spiral galaxy located in the constellation Triangulum.  It was independently discovered by Charles Messier who catalogued it as M33, on August the 25th, 1764.  M33, lies about 3 million light-years away from Earth, has a diameter of approximately 50,000 light-years, and is the third largest galaxy in our local group of galaxies, which also contains M31 the Andromeda galaxy and our own, Milky Way galaxy.

http://en.wikipedia.org/wiki/Messier_33

 

ABOUT THIS IMAGE

DATE/TIME:  The evening of October 22nd, 2014.

CAMERA:  Cannon XSI, 450Da

TELESCOPE:  Celestron 9.25" SCT @ F/10

ISO SETTING:  800

EXPOSURES:  60

EXPOSURE LENGTH:  300sec.

TOTAL EXPOSURE LENGTH:  5hrs.

CAPTURE SOFTWARE:  MaximDL

STACKING SOFTWARE:  Deep Sky Stacker

PROCESSING:  Photoshop CS3

 

 

 

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