Imaging telescopes or lenses: GSO RC 254/2000 Carbon OTA
Imaging cameras: ZWO ASI1600 Pro
Mounts: iOptron CEM60-EC
Guiding telescopes or lenses: Skywatcher EvoGuide 50ED
Guiding cameras: Starlight Xpress Lodestar 2
Software: Astro Pixel Processor APP · Adobe Photoshop CC · PixInsight Core Version 1.8 Ripley
Filters: ZWO EFW 7x36mm LRGB Ha, Oiii, Sii · IDAS (Tokai) LP-filter
Dates:Sept. 18, 2020
Frames:
Baader 36mm B: 19x300" (gain: 300.00) bin 2x2
Baader 36mm G: 18x300" (gain: 300.00) bin 2x2
Baader 36mm Ha 7nm: 19x300" (gain: 300.00) -20C bin 1x1
Baader 36mm L: 19x300" (gain: 300.00) -20C bin 1x1
Baader 36mm R: 18x300" (gain: 300.00) -20C bin 2x2
Integration: 7.7 hours
Darks: ~20
Flats: ~20
Avg. Moon age: 1.21 days
Avg. Moon phase: 1.64%
Astrometry.net job: 3882110
RA center: 21h 35' 39"
DEC center: +57° 30' 21"
Pixel scale: 0.906 arcsec/pixel
Orientation: 329.064 degrees
Field radius: 0.322 degrees
Resolution: 2000x1600
Locations: Osmundstø Observatorium (private backyard observatory), Hidrasund, Vest Agder, Norway
Data source: Backyard
I used my 10'' RC f8 for this 233 x 300sec HaLRGB combinition of the Elephant Trunk Nebula. Ha portion integrated with the red portion. The bright starts are burned out, shorter subs would have been to prefer. Enjoy....
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