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





    
        

            Elmiko
IC 5146 The Cocoon Nebula

IC 5146 The Cocoon Nebula

Technical card

Resolution: 1595x1189

Dates:June 27, 2019

Frames:Optolong L-eNhance 2": 162x300" -1C

Integration: 13.5 hours

Darks: ~30

Flats: ~40

Bias: ~50

Avg. Moon age: 24.08 days

Avg. Moon phase: 30.07%

Bortle Dark-Sky Scale: 7.00

Astrometry.net job: 2903949

RA center: 328.352 degrees

DEC center: 47.268 degrees

Pixel scale: 1.788 arcsec/pixel

Orientation: 82.268 degrees

Field radius: 0.494 degrees

Locations: Home backyard red zone, Gilbert, Az, United States

Data source: Backyard

Description

IC 5146 The Cocoon Nebula is a beautiful Emission Nebula in Cygnus.

Taken June 22,23,24,26,27 Seeing 6/10

Comments

Author

Elmiko
Elmiko
License: None (All rights reserved)
1660
Like

Revisions

  • IC 5146 The Cocoon Nebula, 





    
        

            Elmiko
    Original
  • IC 5146 The Cocoon Nebula, 





    
        

            Elmiko
    B
  • Final
    IC 5146 The Cocoon Nebula, 





    
        

            Elmiko
    C

B

I wanted to make the back ground less blue. Also I thought the original was too flat. I think the new version is more three-dimentional.

C

I made a Range Mask and Star Mask, and combined them using Pixel Math. This protected the stars and nebula so I could try to bring out the dusty nebulosity around the Cocoon.

Sky plot

Sky plot

Histogram

IC 5146 The Cocoon Nebula, 





    
        

            Elmiko