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Contains:  Solar system body or event
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Comet Atlas (C/2019 Y4) - L-RGB (2020/03/28), 


            Olivier Ravayrol
Comet Atlas (C/2019 Y4) - L-RGB (2020/03/28)
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Comet Atlas (C/2019 Y4) - L-RGB (2020/03/28)

Technical card

Dates:March 28, 2020

Astronomik LRGB 1.25": 12x360" ISO15 (gain: 75.00) -20C bin 1x1
Astronomik LRGB 1.25": 21x180" ISO15 (gain: 75.00) -20C bin 2x2

Integration: 2.2 hours

Darks: ~25

Flats: ~27

Bias: ~100

Avg. Moon age: 3.68 days

Avg. Moon phase: 14.57%

Bortle Dark-Sky Scale: 5.00

Temperature: 8.00

Basic astrometry details job: 3390742

RA center: 8h 14' 58"

DEC center: +68° 30' 50"

Pixel scale: 0.777 arcsec/pixel

Orientation: 287.256 degrees

Field radius: 0.420 degrees

Resolution: 2757x2740

Locations: Observatoire personnel, Tournefeuille, Haute-Garonne, France

Data source: Own remote observatory


Comet Atlas (C/2019 Y4)
Tournefeuille, France
Exposure time : Bin1x1 : L:1h12mn ; Bin2x2 : R:18mn, G:21mn, B:21mn
200/1000 mm Newtonian telescope
Camera ZWO ASI1600MM Pro
Preprocessing with SIRIL
Comet alignment : DeepSkyStacker
Image processing with Photoshop (RGB layers alignment, L-RGB alignment)
Final touch with Lightroom



Olivier Ravayrol
License: None (All rights reserved)

Sky plot

Sky plot


Comet Atlas (C/2019 Y4) - L-RGB (2020/03/28), 


            Olivier Ravayrol