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Contains:  NGC 2239, NGC 2244, NGC 2252, Rosette nebula, The star 12Mon
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NGC 2237 - Rosette nebula (Ha-SHO), 



    
        

            Olivier Ravayrol
NGC 2237 - Rosette nebula (Ha-SHO)
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NGC 2237 - Rosette nebula (Ha-SHO)

Technical card


Dates:Dec. 30, 2019

Frames:
Astronomik H-Alpha CCD 6nm 1.25": 23x480" (gain: 75.00) -20C bin 1x1
Astronomik OIII CCD 6nm 1.25": 13x240" (gain: 75.00) -20C bin 2x2
Astronomik SII CCD 6nm 1.25": 9x240" (gain: 75.00) -20C bin 2x2

Integration: 4.5 hours

Darks: ~20

Flats: ~20

Bias: ~100

Avg. Moon age: 4.09 days

Avg. Moon phase: 17.75%

Bortle Dark-Sky Scale: 5.00

Temperature: 3.00


Basic astrometry details

Astrometry.net job: 3246434

RA center: 6h 31' 48"

DEC center: +4° 58' 44"

Pixel scale: 1.626 arcsec/pixel

Orientation: 89.327 degrees

Field radius: 1.308 degrees


Resolution: 4624x3488

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

Data source: Own remote observatory

Description

NGC 2237 - Rosette nebula (Ha-SHO)
Tournefeuille, France
Ha-SHO (Narrow band filters 6nm)
Bin1x1 Ha:3h04', Bin2x2 OIII:52mn & SII:36mn exposure time
600/80 mm Refractor – EOS 450D filter removed
Camera ZWO ASI1600MM Pro
Preprocessing with SIRIL
Image processing with Photoshop
Final touch with Lightroom

Comments

Author

olivierr31
Olivier Ravayrol
License: None (All rights reserved)
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NGC 2237 - Rosette nebula (Ha-SHO), 



    
        

            Olivier Ravayrol