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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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M31 Oct 2017 (Theli, PS, v1), 



    
        

            Martin Junius
M31 Oct 2017 (Theli, PS, v1)
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M31 Oct 2017 (Theli, PS, v1)

Technical card


Dates:Oct. 14, 2017Oct. 15, 2017Oct. 18, 2017

Frames:Hutech IDAS 2" LPS P2: 70x900" ISO200

Integration: 17.5 hours

Darks: ~10

Flats: ~20

Bias: ~50

Avg. Moon age: 25.92 days

Avg. Moon phase: 16.54%

Bortle Dark-Sky Scale: 5.00

Mean SQM: 19.50

Temperature: 9.67


Basic astrometry details

Astrometry.net job: 1782615

RA center: 0h 42' 38"

DEC center: +41° 16' 26"

Pixel scale: 2.758 arcsec/pixel

Orientation: 90.012 degrees

Field radius: 2.118 degrees


Resolution: 4600x3067

Locations: Dellbrück, Köln, NW, Germany

Comments

Author

phtnnz
Martin Junius
License: Attribution-NonCommercial-NoDerivs Creative Commons
2151
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M31 Oct 2017 (Theli, PS, v1), 



    
        

            Martin Junius

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