Cocoon Nebula

Image information:

Date: 06/29/2008
Equipment: SBIG ST2000XM with CFW10 and Astronomik type 2c LRGB filter set through WO ZS105ED telescope on Losmandy GM8 mount. WO ZS105ED working at f7.
Image type: LRGB
Exposure time: 12X8min Luminance binned 1X1, RG&B 5X5min each binned 2X2.

Object information:

Object designations:

IC5146, Cocoon Nebula
Object type:
Emission, reflection and dark absorption nebula
Object size:
Constellation: Cygnus
Cocoon nebula is a star forming area. A young open cluster of about 80 stars is developing inside the nebula. The Cocoon is molecular cloud with pinkish emission areas, bluish reflection areas and dark absorption nebulous areas. Their combination creates striking colors and appearance of the Cocoon. Massive star visible in the center of the nebula is responsible for much of the light emitted and reflected in that area. It has cleared material in the middle of the nebula, so we can take a look at the stars forming inside. IC5146 is some 4000 ly distant.

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