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Imaging telescopes or lenses: Teleskop Service ONTC 10" f4 Newton
Imaging cameras: Quantum Scientific Imaging QSI 690 WSG-8
Mounts: Astro-Physics AP1100GTO
Guiding telescopes or lenses: Teleskop Service ONTC 10" f4 Newton
Guiding cameras: Starlight Xpress Ultrastar
Focal reducers: Televue Paracorr Type-2
Software: PixInsight · Voyager · Astro-Physics Command Center (APCC) Pro Software · PHD2
Filters: Astrodon Ha 5nm · OIII 3nm
Accessory: Pegasus Astro Ultimate Powerbox v2 · Starlight Instruments Focuser Boss 2 HSM
Dates:Aug. 30, 2020 , Sept. 20, 2020
Frames:
Chroma Ha 3nm: 17x900" bin 1x1
Chroma OIII 3nm: 23x900" bin 1x1
Integration: 10.0 hours
Avg. Moon age: 7.85 days
Avg. Moon phase: 52.98%
Astrometry.net job: 3888884
RA center: 3h 10' 57"
DEC center: +62° 46' 54"
Pixel scale: 0.658 arcsec/pixel
Orientation: -2.957 degrees
Field radius: 0.328 degrees
Resolution: 2830x2199
Data source: Backyard
The Bear Claw Nebula is an ancient planetary nebula in the constellation Cassiopeia. Its age makes its size fairly large due to continued expansion and its surface brightness is quite low.
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