M81

Posted: Aug 11th, 2026

Show astrometry on hover

NGC

IC

HD

Technical Info

Telescope/Lens: Sky-Watcher 130/650BKP

Camera: Canon 550da

Mount: Sky-Watcher EQ3 OnStep

Guide Scope: svbony sv165 f4

Guide Camera: Asi 120mm mini

Software: Siril, Pix

Exposure:

69 x 44" ISO/Gain: 800

Red, Bortle 7 zone:

Praga, Czech Republic

Aug 11th, 2026

51 m

7

2

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Resolution: 2508x1672 px

Scale: 4601 KB

30

First test of the guide, of course missed focus and clouds kept passing by, but the guide held around 0.26-0.37".

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