01 / Capture
- Object
- m81
- Object type
- Galaxy
- Captured
- 2026-02-09
- Exposure
- 1
02 / Imaging train
- Equipment
- Celestron 11 Edge HD + Fast Star · Skywatcher EQ6-R-Pro · ZWO 1600MM · ZWO EFW · RGB
- Telescope
- Celestron 11 Edge HD + Fast Star
- Mount
- Skywatcher EQ6-R-Pro
- Camera
- ZWO 1600MM
- Filter wheel
- ZWO EFW
- Filter set
- RGB
- Scope type
- SCT
03 / Processing
- Workflow
- 1, PixInsight
Image license: This gallery image is published under a Creative Commons license.
Object notes / Wikipedia
Messier 81
Messier 81 (also known as NGC 3031 or Bode's Galaxy) is a grand design spiral galaxy about 12 million light-years away in the constellation Ursa Major. It has a D25 isophotal diameter of 29.44 kiloparsecs (96,000 light-years).
Text and media excerpted from Wikipedia/Wikimedia under their applicable licenses; see the linked article for full attribution history and license details.