M51 "Whirlpool"

 Posted: Apr 15th, 2020
Technical Info
Telescope/Lens: Объктив Юпитер 21М
Camera: ZWO ASI 178 mm
Mount: Sky-Watcher EQ3-2 MyDrive
Guide Scope: Юпитер 37А
Guide Camera: QHY 5
Software: Maxim DL, DeepSkyStacker, FitSracker, PS, Registax5.1
Accessories: Фильтр Baader Planetarium NEODYMIUM 1.25", ССD-фильтры NoNaMe
Exposure:
161 x 180" ISO/Gain: 230
Orange, Bortle 6 zone:
 Kharkiv, Ukraine
8 h 3 m
2252
Resolution: 2025x1335 px
Scale: 14217 KB
I barely managed to capture color. More precisely, with a full Moon (red channel), with mediocre atmosphere (blue channel). I got lucky with green—there was good sky, no Moon, but streetlights were on. However, streetlights are a minor issue compared to other troubles. The luminance channel is synthesized from the color channels. Scale 75%.
Current photo Updated
  15 Apr, 2020
  8 h 3 m
I barely managed to capture color. More precisely, with a full Moon (red channel), with mediocre atmosphere (blue channel). I got lucky with green—there was goo…
  10 Apr, 2020
  3 h 12 m
The result of imaging over two nights. April 6, 2020 (during the full Moon), and April 9, 2020 (the Moon was no longer full, rose later, and was positioned much…
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