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Contains:  Great Nebula in Andromeda, M 110, M 31, M 32, NGC 205, NGC 221, NGC 224
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The Andromeda Galaxy in a crowded Sky

Technical card

Dates:Oct. 4, 2019

Frames:Baader Luminance: 223x300" (gain: 1.00) -20C bin 1x1

Integration: 18.6 hours

Darks: ~100

Flats: ~25

Bias: ~256

Avg. Moon age: 6.22 days

Avg. Moon phase: 37.79%

Mean SQM: 20.80

Basic astrometry details job: 2968181

RA center: 0h 43' 2"

DEC center: +41° 7' 1"

Pixel scale: 2.221 arcsec/pixel

Orientation: 270.480 degrees

Field radius: 1.723 degrees

Resolution: 4379x3469

Locations: Knight Observatory, Tomar, Portugal

Data source: Backyard



Airplanes, satellites, Muon's, Worm's/ Gamma rays and hot pixels. This is a stacked image made with calibrated subs (But hot pixels keep popping up anyway because my last set of masters is a few month's old) For the stack i used the "max" option in DSS.



Kees Scherer
License: Attribution Creative Commons

Sky plot

Sky plot


The Andromeda Galaxy in a crowded Sky, 


            Kees Scherer

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