M 101 Pinwheel Galaxy

 Posted: Jun 10th, 2026
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NGC
IC
HD
Technical Info
Telescope/Lens: Canon EF-S 55-250mm
Camera: Canon 1100Da
Mount: Штатив
Guide Scope: ручное ведение
Software: DSS, Siril, StarNet++ GUI, Adobe Lightroom, Adobe Photoshop.
Accessories: ДП RC-60E3
Exposure:
971 x 2.5" ISO/Gain: 3200 - f5.0, 135mm
Yellow, Bortle 5 zone:
 S Rameno Syzranskiy R-N Samarskaya Obl, Россия
 Jun 10th, 2026
40 m
9
Resolution: 1573x1080 px
Scale: 400 KB

The Pinwheel Galaxy M 101.

The result is certainly not the best; after all, there was too little integration time for such a faint object, and on top of that, without calibration frames, DSS introduced a lot of noise and banding, so I had to work on it.

I don't think I'll return to it.

Crop of the frame.

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