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Contains:  NGC 457, The star φCas
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NGC 457 / The Owl Cluster & SH2-188 / The Dolphin Nebula, 





    
        

            Marc Verhoeven
NGC 457 / The Owl Cluster & SH2-188 / The Dolphin Nebula

NGC 457 / The Owl Cluster & SH2-188 / The Dolphin Nebula

Technical card

Resolution: 5446x4360

Dates:Aug. 24, 2019Aug. 25, 2019

Frames:
Astrodon Blauw Tru-balance E-series Gen 2 1,25": 60x120" -10C bin 1x1
Astrodon Groen Tru-balance E-series Gen 2 1,25": 60x120" -10C bin 1x1
Astrodon HA 5nm 1.25": 20x480" -10C bin 1x1
Astrodon Rood Tru-balance E-series Gen 2 1,25": 60x120" -10C bin 1x1

Integration: 8.7 hours

Darks: ~25

Flats: ~75

Bias: ~110

Avg. Moon age: 23.51 days

Avg. Moon phase: 35.81%

Bortle Dark-Sky Scale: 5.00

Mean SQM: 19.60

Temperature: 14.00

Astrometry.net job: 2888947

RA center: 21.279 degrees

DEC center: 58.385 degrees

Pixel scale: 1.085 arcsec/pixel

Orientation: 225.301 degrees

Field radius: 1.051 degrees

Locations: Home observatory: Procyone, Tremelo, Belgium

Data source: Backyard

Comments

Author

vermakke
Marc Verhoeven
License: None (All rights reserved)
2525
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NGC 457 / The Owl Cluster & SH2-188 / The Dolphin Nebula, 





    
        

            Marc Verhoeven