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Contains:  NGC 7023
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Iris Nebula Widefield, 


            Björn Hoffmann
Iris Nebula Widefield

Iris Nebula Widefield

Technical card

Resolution: 1500x1000

Dates:May 6, 2017Sept. 21, 2017

Frames: 120x30" ISO800

Integration: 1.0 hours

Darks: ~30

Flats: ~30

Bias: ~40

Avg. Moon age: 6.00 days

Avg. Moon phase: 42.19%

Bortle Dark-Sky Scale: 3.50 job: 1740984

RA center: 315.345 degrees

DEC center: 68.158 degrees

Pixel scale: 12.286 arcsec/pixel

Orientation: 269.645 degrees

Field radius: 3.076 degrees


This is a combination of my most recent photos from Kepheus and some photos of the Iris nebula I took in may during nearly full moon.



Björn Hoffmann
License: Attribution-NonCommercial-NoDerivs Creative Commons

Sky plot

Sky plot


Iris Nebula Widefield, 


            Björn Hoffmann