The Sadr region of Cygnus
Shot: 2021-08-24 about 9:00-11:00PM
This wide-field image of the central star in Cynus, the Swan (AKA, the Northern Cross) is a summertime constellation. It's easy to pick out, even in a bright sky location like we have in CT. The wonderful nebulocity that you can see with a camera is spectacular. This image is a widefield image (total focal length is only 324mm thanks to a 0.65 field reducer on my 505 FL Astrotech 92mm APO refractor. This was also shot with a narrowband filter to combat both moonlight and light pollution.
Details:
Date: 8/24/2021, 9PM-11PM
Location: Westport Astronomical Society
Target: The Sadr Region of Cygnus - including the Crescent Nebula (right side of field) and the Butterfly (left side of field).
Lights: 40 @ 180s, ISO 1600 - total integration time 2hrs
Flats: 30
Flat-darks: 30
Darks: 20
Bias: 135
Camera: Astromodified Nikon D750
Telescope: Astrotech 92mm APO refractor
FL Modifier: Starizona 0.65 flattener/reducer
Filter: STC Narrowband Ha/Oiii
Guide Scope: Astromania 60mm refractor
Mount: Celestron AVX
Guide Software: PHD2
Integration software: PixInsight
Finishing software: Photoshop, NIK Silver Efex 3.0, Lightroom
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