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Contains:  M 27, Dumbbell nebula, NGC 6853
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M27 - H-HO-O version, 





    
        

            regis83
M27 - H-HO-O version

M27 - H-HO-O version

Technical card

Resolution: 2217x1751

Dates:July 5, 2016July 6, 2016July 8, 2016July 15, 2016July 16, 2016July 17, 2016

Frames:
Ha 12nm: 102x300" -10C bin 1x1
Astronomik O3 12nm 50mm: 101x300" -10C bin 1x1

Integration: 16.9 hours

Darks: ~100

Flats: ~50

Bias: ~100

Avg. Moon age: 6.94 days

Avg. Moon phase: 47.78%

Astrometry.net job: 1959904

RA center: 19h 59' 40"

DEC center: +22° 43' 26"

Pixel scale: 1.292 arcsec/pixel

Orientation: 359.600 degrees

Field radius: 0.507

Locations: Home observatory, Toulon, 83 - Var French Riviera, France

Description

I can't decide between those two versions. So I published both.
Here is the Ha, Ha+Oiii, Oiii version.

Comments

Author

regis83
regis83
License: None (All rights reserved)
650
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M27 - H-HO-O version, 





    
        

            regis83