M51 "Whirlpool"

 Posted: Apr 10th, 2020
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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:
64 x 180" ISO/Gain: 230
Orange, Bortle 6 zone:
 Kharkiv, Ukraine
3 h 12 m
2045
Resolution: 2027x1316 px
Scale: 6453 KB
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 lower above the horizon, thus interfering less). A total of 64 frames at 180 seconds each were captured. Total integration time: 3 hours 12 minutes. North is up. Scale 70%. Pixel scale: 3.53 arcsec/pixel.
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…
Current photo
  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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Comments

I've never seen the Whirlpool Galaxy with such a focal length!
10 Apr, 2020 Reply
Malex Replied to Smirnov Andrey
:) I was curious too.
10 Apr, 2020 Reply

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