Imaging telescopes or lenses: Astro-Tech AT8RC
Imaging cameras: ZWO ASI183MM-Pro
Mounts: iOptron iEQ45 Pro
Guiding telescopes or lenses: Astro-Tech AT8RC
Guiding cameras: QHYCCD QHY5-III 178M
Software: PhD2 · StarTools · Deep Sky Stacker (DSS) · Photoshop CC · Astro Photography Tool - APT Astro Photography Tool
Filters: ZWO new B · ZWO new G · ZWO new R · ZWO new L
Accessory: ZWO EAF · ZWO EFW Mini · Teleskop Service TSFLIP Flip Mirror and Off Axis Guiding System
Dates:Sept. 18, 2020
Frames:
ZWO new B: 6x300" (gain: 100.00) -5C bin 2x2
ZWO new G: 6x300" (gain: 100.00) -5C bin 2x2
ZWO new L: 6x300" (gain: 100.00) -5C bin 2x2
ZWO new R: 6x300" (gain: 100.00) -5C bin 2x2
Integration: 2.0 hours
Darks: ~36
Flats: ~1
Avg. Moon age: 1.21 days
Avg. Moon phase: 1.64%
Bortle Dark-Sky Scale: 4.00
Astrometry.net job: 3916987
RA center: 21h 53' 23"
DEC center: +47° 15' 11"
Pixel scale: 0.618 arcsec/pixel
Orientation: 92.095 degrees
Field radius: 0.282 degrees
Resolution: 2732x1820
Locations: Champaign-Urbana Astronomical Society dark site, Champaign, IL, United States
Data source: Traveller
The Cocoon Nebula, IC 5146 in Cygnus. A bit like the Trifid, this is a combination reflection/emission nebula with lots of dust but also hydrogen gas being ionized by young stars. It's embedded in a long dark nebula called Barnard 168 that extends well past this frame.
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