The Lagoon Nebula (catalogued as Messier 8 or M8, and as NGC 6523) is a giant interstellar cloud in the constellation Sagittarius.  The Lagoon Nebula was discovered by Guillaume Le Gentil in 1747.

http://en.wikipedia.org/wiki/Messier_8

 

ABOUT THE IMAGE

DATE/TIME:  The early mornings of June 5th and 6th, 2011.

CAMERA:  Canon XSI, 450D modified

TELESCOPE:  Orion 100ED @ F/7.65

ISO SETTING:  800

EXPOSURES:  29

EXPOSURE LENGTH:  300sec.

TOTAL EXPOSURE LENGTH:  3hrs 25min.

SUBTRACTIONS: 10 dark frames and 10 bias frames.

CAPTURE: MaximDL

STACKING/PRE-PROCESSING: Deep Sky Stacker

PROCESSING: Photoshop CS3

 

 

 

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