IC 5146 (Cocoon Nebula), vdB 147, B 168 (LDN 1055)

IC 5146 (also catalogued as Sh 2-125, Cocoon Nebula) is a reflection/emission nebula in the constellation Cygnus. Properly speacking, IC 5146 refersto the star cluster and Sh2-125 to the nebula.The dark nebula Barnard 168 (B168, or LDN 1055) forms a dark lane that surrounds the cluster and projects westward (leftward on the image), forming the appearance of a trail behind the Cocoon.Van den Bergh 147 (VdB 147)is the small reflection nebula just to the left the Cocoon. You can see also all my images of IC 5146.



Technical Details:

Optics: ASA N 12 Astrograph at /2.8
Mount: ASA DDM 85
Camera: SBIG STL-11000M
Filters: Astronomik LRGB filter set
Dates/Times: 21, 22 August 2012
Location: Rozhen
Exposure Details: L = 180 min, R = 80 min., G = 80 min., B = 80 min.
Subexposures: 10 minutes
Acquisition: CCD Soft
Processing: PixInsight, Photoshop CS

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