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Contains:  NGC 7209, Cocoon nebula, IC 5146, M 39, NGC 7092, NGC 7082, NGC 7039, The star π2Cyg, The star π1Cyg, The star ρCyg, The star 71Cyg, The star 63Cyg
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Cocoon Nebula Widefield, 


            Björn Hoffmann
Cocoon Nebula Widefield

Cocoon Nebula Widefield

Technical card

Resolution: 2953x1892

Dates:Oct. 13, 2017

Frames: 170x30" ISO1600

Integration: 1.4 hours

Darks: ~30

Flats: ~30

Bias: ~30

Avg. Moon age: 23.17 days

Avg. Moon phase: 39.18%

Bortle Dark-Sky Scale: 4.00

Temperature: 10.00 job: 1767557

RA center: 324.190 degrees

DEC center: 48.151 degrees

Pixel scale: 12.431 arcsec/pixel

Orientation: 178.585 degrees

Field radius: 6.055 degrees


The region around the Cocoon Nebula has many interesting star fields and dark nebulae. I invested some time with my Samyang 135mm at f/2.4 to capture this region. Close-ups with drizzle will follow!



Björn Hoffmann
License: Attribution-NonCommercial-NoDerivs Creative Commons

Sky plot

Sky plot


Cocoon Nebula Widefield, 


            Björn Hoffmann