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 (upward on the image), forming the appearance of a trail behind the Cocoon.Van den Bergh 147 (VdB 147) is the small reflection nebula just above the Cocoon. You can see also all my images of IC 5146.



Technical Details:

Optics: ASA N 12 Astrograph at /3.6
Mount: ASA DDM 85
Camera: SBIG STL-11000M
Filters: Astronomik LRGB filter set
Dates/Times: 29 July 2009
Location: Boljartsi
Exposure Details: L = 50 min, R = 15 min., G = 15 min., B = 15 min.
Subexposures: 5 minutes
Acquisition: CCD Soft
Processing: PixInsight, Photoshop CS

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