OBJECT INFORMATION

Name/Designation	Messier 104 (Sombrero Galaxy)
Object Type	Unbarred Spiral Galaxy
Constellation	Virgo
Distance	~29.3 million light-years
Apparent Magnitude	~8.0
Angular Size	~8.7′ (~0.15°)

IMAGING

Date	May 25, 27 & 28, 2023
Location	Athens, Greece
Frames	243 × 60″ exposures
Integration	4h 3m
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