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Contains:  Cocoon nebula, IC 5146
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"Cocoon" Nebula, 





    
        

            Roberto Mosca
"Cocoon" Nebula

"Cocoon" Nebula

Technical card

Resolution: 2450x1766

Dates:July 16, 2018

Frames: 33x300"

Integration: 2.8 hours

Avg. Moon age: 3.90 days

Avg. Moon phase: 16.27%

Astrometry.net job: 2177222

RA center: 327.731 degrees

DEC center: 47.369 degrees

Pixel scale: 2.218 arcsec/pixel

Orientation: 14.474 degrees

Field radius: 0.930 degrees

Data source: Amateur hosting facility

Description

Cocoon Nebula

is a reflection / emission nebula and Caldwell object in the constellation Cygnus. The NGC description refers to IC 5146 as a cluster of 9.5 mag stars involved in a bright and dark nebula, the nebula is about 12 arcmins across, which is equivalent to a span of 15 light years

with IC 5146 a dark nebula Barnard 168 (B168) is a part of the picture, forming a dark lane that surrounds the cluster and projects westward forming the appearance of a trail behind the Cocoon.

Acquired in Italy with Apo Refractor W.O FLT 132 F7 and Flattern P68II with camera OSC QHY 367 C -10C 33 x 5min gain 2800 offset 54

Comments

Author

Acsom
Roberto Mosca
License: None (All rights reserved)
970
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Revisions

  • "Cocoon" Nebula, 





    
        

            Roberto Mosca
    Original
  • Final
    "Cocoon" Nebula, 





    
        

            Roberto Mosca
    B

Sky plot

Sky plot

Histogram

"Cocoon" Nebula, 





    
        

            Roberto Mosca