Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 101  ·  NGC 5447  ·  NGC 5449  ·  NGC 5450  ·  NGC 5451  ·  NGC 5453  ·  NGC 5455  ·  NGC 5457  ·  NGC 5461  ·  NGC 5462  ·  NGC 5471  ·  Pinwheel galaxy
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M101 FSQ106N ZWO ASI 6200MC 2 hr exposure, Rick Evans
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M101 FSQ106N ZWO ASI 6200MC 2 hr exposure

Revision title: M101

Getting plate-solving status, please wait...
M101 FSQ106N ZWO ASI 6200MC 2 hr exposure, Rick Evans
Powered byPixInsight

M101 FSQ106N ZWO ASI 6200MC 2 hr exposure

Revision title: M101

Equipment

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Description

April 19, 2022.  M101 with FSQ106N and ZWO ASI 6200MC. 2 hr exposure in 1 minute subs.  Cold, windy, many passing clouds, poor seeing at FWHM 3.2 - 3.6, but moon didn't rise during exposure time. This is a highly cropped selection from the original image. Bortle 5-6.  Gain 100 Offset 15. Tracking, guiding and dithering with EQMOD/ASCOM, APT, PHD2. Only Sirl and Gimp used for stacking/post-processing.

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Revisions

  • M101 FSQ106N ZWO ASI 6200MC 2 hr exposure, Rick Evans
    Original
  • Final
    M101 FSQ106N ZWO ASI 6200MC 2 hr exposure, Rick Evans
    B

B

Title: M101

Description: Revision concentrating on color noise removal. Not sure that it is really an improvement though.

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M101 FSQ106N ZWO ASI 6200MC 2 hr exposure, Rick Evans