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Contains:  NGC 6939, NGC 6946
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NGC 6946 & NGC 6939, 


            Björn Hoffmann
NGC 6946 & NGC 6939
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NGC 6946 & NGC 6939

Technical card

Dates:Oct. 13, 2017

Frames: 80x30" ISO1600

Integration: 0.7 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

Basic astrometry details job: 1767579

RA center: 20h 33' 16"

DEC center: +60° 24' 32"

Pixel scale: 6.597 arcsec/pixel

Orientation: 270.982 degrees

Field radius: 1.653 degrees

Resolution: 1500x1002


This is a crop with 2x drizzle of an upcoming widefield view onto this interesting region near Cepheus. Too less time, it was just a test to see if I can get the faint nebulas there. I definitely need more time or longer subs.



Björn Hoffmann
License: Attribution-NonCommercial-NoDerivs Creative Commons

Sky plot

Sky plot


NGC 6946 & NGC 6939, 


            Björn Hoffmann