Imaging telescope or lens: RC Optical Systems RCOS 12.5 Astrograph
Imaging camera: FLI ProLine PL16803
Guiding telescope or lens: RC Optical Systems RCOS 12.5 Astrograph
Guiding camera: SBIG ST402ME
Astrodon Tru-Balance - H-a 50mm - 3nm FWHM 656.3nm: 19x1800" -30C bin 1x1
Astrodon Tru-Balance - OIII 50mm - 3nm FWHM 500.7nm: 25x1800" -30C bin 1x1
Integration: 22.0 hours
Avg. Moon age: 11.27 days
Avg. Moon phase: 86.56%
Bortle Dark-Sky Scale: 2.00
Astrometry.net job: 84698
RA center: 303.027 degrees
DEC center: 38.352 degrees
Pixel scale: 0.622 arcsec/pixel
Orientation: 168.710 degrees
Field radius: 0.495 degrees
This narrowband bicolor image of The Crescent Nebula consists of 9.5 hours of 3nm Ha data and 12.5 hours of 3nm OIII data captured with an FLI Proline 16803 camera on an RC Optical Systems 12.5" carbon fiber astrograph.
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