OBJECT INFORMATION

Name/Designation	Messier 81 (Bode’s Galaxy)
Object Type	Spiral Galaxy
Constellation	Ursa Major
Distance	~11.8 million light-years
Apparent Magnitude	~6.9
Angular Size	~27′ × 14′ (~0.45° × 0.23°)

IMAGING

Date	March 24, 26–27 & 29, 2023
Location	Athens, Greece
Frames	516 × 60″ exposures
Integration	8h 36m
Camera Settings	Gain 101 | Temperature: -5°C
Bortle Scale	8/9 (City sky)

EQUIPMENT

Telescope	Sky-Watcher Explorer 130PDS
Camera	ZWO ASI533MC Pro
Mount	Sky-Watcher EQ5 Pro
Filter	Baader UV/IR Cut
Accessory	Baader 2″ MPCC Mark III
Guide Scope	Artesky 32mm Mini
Guide Camera	ZWO ASI120MM Mini

SOFTWARE

Acquisition	Astro Photography Tool
Guiding	PHD2 Guiding
Processing	PixInsight
Plugins	RC Astro