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Sh 2-155: The Cave Nebula, 





    
        

            Glenn Diekmann
Sh 2-155: The Cave Nebula

Sh 2-155: The Cave Nebula

Technical card

Resolution: 4460x3380

Dates:Nov. 2, 2018

Frames:
Astrodon Blue Tru-Balance E-Series Gen 2: 11x120" (gain: 76.00) -10C
Astrodon Green Tru-Balance E-Series Gen 2: 10x120" (gain: 76.00) -10C
Astrodon Luminance E-Series Gen 2: 32x60" (gain: 76.00) -10C
Astrodon Red Tru-Balance E-Series Gen 2: 10x120" (gain: 76.00) -10C

Integration: 1.6 hours

Darks: ~50

Flats: ~16

Bias: ~200

Avg. Moon age: 24.09 days

Avg. Moon phase: 29.97%

Bortle Dark-Sky Scale: 3.00

Astrometry.net job: 2866664

RA center: 22h 56' 30"

DEC center: +62° 29' 13"

Pixel scale: 1.097 arcsec/pixel

Orientation: 359.264 degrees

Field radius: 0.852

Locations: Nightfall Star Party, Borrego Springs, California, United States

Data source: Traveller

Description

While attending the Nightfall star party in Borrego Springs, California, last November, I had two extra hours of imaging time to kill after my primary target had settled below desirable imaging altitude. I set my sights on the Cave Nebula and was able to collect about an hour and a half of data. I had forgotten about it until today, when I rediscovered it while reorganizing my astro files. I decided to process it, and here is the result. It definitely could have used more integration time. :)

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Glenn Diekmann
License: None (All rights reserved)
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Sh 2-155: The Cave Nebula, 





    
        

            Glenn Diekmann