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



    
        

            Marco Gulino
M42 in LRGB under London skyglow
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M42 in LRGB under London skyglow

Technical card


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


Basic astrometry details

Astrometry.net job: 1924871

RA center: 5h 35' 22"

DEC center: -5° 22' 30"

Pixel scale: 2.952 arcsec/pixel

Orientation: 8.826 degrees

Field radius: 2.297 degrees


Resolution: 4472x3374

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)
4870
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M42 in LRGB under London skyglow, 



    
        

            Marco Gulino

In these public groups

Imagers of Italy
UK Astro-Imaging