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Contains:  Crescent nebula, NGC 6888
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NGC6888 - Crescent nebula, 





    
        

            Samuli Vuorinen
NGC6888 - Crescent nebula

NGC6888 - Crescent nebula

Technical card

Resolution: 1374x1099

Dates:Sept. 4, 2014

Frames:
Astrodon H-alpha 5nm: 3x300" -10C bin 1x1
OIII 5nm: 3x300" -10C bin 1x1
SII 5nm: 3x300" -10C bin 1x1

Integration: 0.8 hours

Flats: ~20

Bias: ~500

Avg. Moon age: 9.54 days

Avg. Moon phase: 72.13%

Astrometry.net job: 359171

RA center: 303.111 degrees

DEC center: 38.358 degrees

Pixel scale: 3.078 arcsec/pixel

Orientation: 179.854 degrees

Field radius: 0.752 degrees

Locations: Komakallio, Kirkkonummi, Finland

Description

Narrowband channels mapped to natural colors with R = 0,80 * Ha + 0,20 * SII, G = OIII, B = 0,70 * OIII + 0,30 * Ha.

Comments

Author

naavis
Samuli Vuorinen
License: None (All rights reserved)
5252
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NGC6888 - Crescent nebula, 





    
        

            Samuli Vuorinen