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abell 21

Technical card

Resolution: 1719x1591

Dates:Feb. 5, 2018Feb. 8, 2018March 6, 2018

Frames:
Astrodon 3nm OIII 36mm: 63x300"
Astrodon 5nm Ha 36mm: 110x300"
Astrodon 5nm Sii 36mm: 60x300"

Integration: 19.4 hours

Avg. Moon age: 20.79 days

Avg. Moon phase: 63.70%

Astrometry.net job: 1961078

RA center: 112.184 degrees

DEC center: 13.335 degrees

Pixel scale: 1.119 arcsec/pixel

Orientation: 271.086 degrees

Field radius: 0.364 degrees

Comments

Author

hnau
zac
License: None (All rights reserved)
4093
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abell 21, 





    
        

            zac