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M81

Category:Deep Sky
Published:
90
M81NGC 3031
Resolution:
3039x2026 px
File size:
8562 KB

Photo description / processing

I got kinda bored and decided to rework my failed stack of M81, seems better

Technical information

Telescope/Lens
Sky-Watcher BKP 130/650
Camera
Canon EOS 550D (astro-modified)
Mount
Sky-Watcher EQ3 (OnStep)
Guide Scope
svbony sv165 f4
Guide Camera
Asi 120mm mini
Software
Siril, Pix
Location
Прага, Чехия

Light pollution

Red, Bortle 7 zone

Date taken

Exposure

  • 69 × 44″ · ISO/Gain: 800 ·

Total exposure: 51 m

Photo versions

M81
Current photoUpdated
M81

Oct 19th, 2026

51 m

I got kinda bored and decided to rework my failed stack of M81, seems better

M81
M81

Aug 11th, 2026

51 m

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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