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Contains:  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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Messier 42 - narrowband - repost, 





    
        

            Simon
Messier 42 - narrowband - repost

Messier 42 - narrowband - repost

Technical card

Resolution: 3151x2434

Astrometry.net job: 2077581

RA center: 83.719 degrees

DEC center: -5.376 degrees

Pixel scale: 2.702 arcsec/pixel

Orientation: 90.336 degrees

Field radius: 1.494 degrees

Data source: Unknown

Description

I have processed this before using Paddy Gilliland's superb data https://www.astrobin.com/rawdata/publicdatapools/48/

I was not that happy with my last effort, so I thought I would try again. The data this time was:

Ha 5nm: 11x1800" -20C bin 1x1, 600" Ha, 300" Ha and 60" Ha, OIII 5nm: 12x1800" -20C, OIII 5nm: 6x60" -20C and SII 5nm: 6x60", SII 5nm: 10x1800" -20C. The shorter subs being used with HDR composition for the core. I am not too sure about the colours in this, especially round the running man, but I did my best...

Comments

Author

downingsimon
Simon
License: None (All rights reserved)
700
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Messier 42 - narrowband - repost, 





    
        

            Simon