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Contains:  NGC 2395
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Abell 21 - Medusa Nebula, 





    
        

            Bernhard Zimmermann
Abell 21 - Medusa Nebula

Abell 21 - Medusa Nebula

Technical card

Resolution: 2500x1659

Dates:April 6, 2019April 15, 2019April 16, 2019April 21, 2019

Frames:
24x300" ISO800
Optolong H-alpha 12nm EOS APS-C Clip: 18x600" ISO1600
Astronomik O3 12 nm: 18x600" ISO1600

Integration: 8.0 hours

Darks: ~20

Flats: ~25

Bias: ~25

Avg. Moon age: 9.95 days

Avg. Moon phase: 65.85%

Astrometry.net job: 2659466

RA center: 112.281 degrees

DEC center: 13.251 degrees

Pixel scale: 1.732 arcsec/pixel

Orientation: 357.177 degrees

Field radius: 0.722 degrees

Data source: Traveller

Description

Waidhofen/Thaya (Austria)

Comments

Author

dreambaker
Bernhard Zimmermann
License: None (All rights reserved)
2283
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Abell 21 - Medusa Nebula, 





    
        

            Bernhard Zimmermann