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Contains:  NGC 281
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Pacman Nebula (NGC 281) in LRGB + Ha + O3, 





    
        

            Scott Davis
Pacman Nebula (NGC 281) in LRGB + Ha + O3

Pacman Nebula (NGC 281) in LRGB + Ha + O3

Technical card

Resolution: 1000x954

Dates:July 25, 2016July 28, 2016July 29, 2016July 31, 2016Aug. 1, 2016Aug. 2, 2016Aug. 3, 2016Aug. 4, 2016

Frames:
Astrodon 31mm B Tru-Balance E-Series Gen 2: 20x180" -20C bin 2x2
Astrodon 31mm G Tru-Balance E-Series Gen 2: 20x180" -20C bin 2x2
Astrodon 31mm Ha 3nm FWHM: 17x1200" -20C bin 1x1
Astrodon 31mm L Tru-Balance E-Series Gen 2: 65x180" -20C bin 1x1
Astrodon 31mm OIII 3nm FWHM: 23x1200" -20C bin 1x1
Astrodon 31mm R Tru-Balance E-Series Gen 2: 20x180" -20C bin 2x2

Integration: 19.6 hours

Darks: ~30

Flats: ~30

Flat darks: ~30

Bias: ~30

Avg. Moon age: 19.48 days

Avg. Moon phase: 16.75%

Bortle Dark-Sky Scale: 7.00

Astrometry.net job: 1184345

RA center: 13.127 degrees

DEC center: 56.657 degrees

Pixel scale: 3.119 arcsec/pixel

Orientation: 88.989 degrees

Field radius: 0.598 degrees

Locations: My Backyard, Clovis, California, United States

Description

The Pacman Nebula is an area of ionized gas in the constellation Cassiopeia. Catalogued as NGC 281, it sits approximately 9,500 light year from Earth. While very difficult to glimpse visually telescope, this nebula is rather beautiful and interesting when photographed.

The red area of the nebula shows Hydrogen gas; blue shows Oxygen.

Comments

Author

scodavis
Scott Davis
License: Attribution-NonCommercial-NoDerivs Creative Commons
2850
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Pacman Nebula (NGC 281) in LRGB + Ha + O3, 





    
        

            Scott Davis