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I agreeImaging telescope or lens:William Optics Zenithstar 66
Imaging camera:Moravian G2-8300
Mount:Skywatcher AZ-EQ6 GT
Guiding telescope or lens:SkyWatcher Finder/Guider 9x50
Guiding camera:QHY5L-IIc
Focal reducer:William Optics flat 6
Software:PixInsight 1.8 , Sequence Generator Pro , Photoshop C6
Filters:Astrodon OIII 5nm , Astrodon SII 5nm , astrodon Ha 5nm
Dates:Feb. 17, 2018 , Feb. 21, 2018 , Feb. 22, 2018
Frames:
Astrodon OIII 5nm: 30x600" -20C bin 1x1
Astrodon SII 5nm: 30x600" -20C bin 1x1
astrodon Ha 5nm: 30x600" -20C bin 1x1
Integration: 15.0 hours
Avg. Moon age: 4.50 days
Avg. Moon phase: 24.51%
Mean SQM: 19.91
Astrometry.net job: 3346220
RA center: 6h 31' 56"
DEC center: +4° 59' 56"
Pixel scale: 2.596 arcsec/pixel
Orientation: 97.387 degrees
Field radius: 0.662 degrees
Resolution: 1298x1297
Data source: Backyard
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