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Contains:  NGC 6995, Veil nebula, Network nebula, NGC 6992, IC 1340
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Eastern Veil Nebula, 


            Damien Cannane
Eastern Veil Nebula

Eastern Veil Nebula

Technical card

Resolution: 3993x2669

Dates:July 31, 2019Aug. 1, 2019

Frames:Optolong L-eNhance: 32x480" (gain: 156.00)

Integration: 4.3 hours

Avg. Moon age: 14.62 days

Avg. Moon phase: 0.40%

Bortle Dark-Sky Scale: 6.00 job: 2863553

RA center: 313.915 degrees

DEC center: 31.410 degrees

Pixel scale: 1.271 arcsec/pixel

Orientation: 117.838 degrees

Field radius: 0.848 degrees

Locations: My Back Yard, Copley, OH, United States

Data source: Backyard


I decided to make a second attempt on my Veil Nebula data, with the goal of arriving at something more "natural" looking. I tweaked the OSC color channels individually according to the response curves of my camera. Then I blended the green and blue channels (67% green, 33% blue) and pasted that result back into both green and blue channels. This made sense to me since the green and blue pixels of my camera are sensitive to the H-beta and Oiii wavelengths, but the green pixels are more sensitive than the blue ones. This is akin to taking separate H-alpha and Oiii data, and then assigning Ha to red and Oiii to green and blue.



Damien Cannane
License: None (All rights reserved)


  • Final
    Eastern Veil Nebula, 


            Damien Cannane
  • Eastern Veil Nebula, 


            Damien Cannane


Wide field view

Sky plot

Sky plot


Eastern Veil Nebula, 


            Damien Cannane