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Contains:  NGC 1999, M 43, NGC 1982, NGC 1977, NGC 1980, M 42, Great Nebula in Orion, NGC 1976, NGC 1975, NGC 1981, NGC 1973, The star 45Ori, The star ιOri, The star θ2Ori, The star θ1Ori, The star 42Ori
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M42 in LRGB under London skyglow, 





    
        

            Marco Gulino
M42 in LRGB under London skyglow

M42 in LRGB under London skyglow

Technical card

Resolution: 4472x3374

Dates:Feb. 9, 2018

Frames:
ZWO Blue Filter Optimized for ASI1600: 30x15" (gain: 180.00) bin 3x3
ZWO Green Filter Optimized for ASI1600: 30x15" (gain: 180.00) bin 3x3
ZWO L (IR-Cutoff) Filter Optimized for ASI1600: 114x15" (gain: 60.00) bin 1x1
ZWO Red Filter Optimized for ASI1600: 30x15" (gain: 180.00) bin 3x3

Integration: 0.8 hours

Darks: ~20

Flats: ~30

Flat darks: ~30

Bias: ~500

Avg. Moon age: 23.80 days

Avg. Moon phase: 32.83%

Bortle Dark-Sky Scale: 5.00

Astrometry.net job: 1924871

RA center: 83.842 degrees

DEC center: -5.375 degrees

Pixel scale: 2.952 arcsec/pixel

Orientation: 8.826 degrees

Field radius: 2.297 degrees

Locations: Ealing, London, London, United Kingdom

Data source: Backyard

Description

Quick test shot of M42 in London.

Comments

Author

gulinux
Marco Gulino
License: None (All rights reserved)
3590
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M42 in LRGB under London skyglow, 





    
        

            Marco Gulino

In these public groups

Imagers of Italy
UK Astro-Imaging