OBJECT INFORMATION

Name/Designation	Barnard 33 (Horsehead Nebula)
Object Type	Dark Nebula / Emission Nebula Region
Constellation	Orion
Distance	~1,375 light-years
Apparent Magnitude	~6.8
Angular Size	~8′

IMAGING

Date	January 20, February 11 & 13, 2023
Location	Athens, Greece
Frames	299 × 60″ exposures
Integration	4h 59m
Camera Settings	Gain 101 | Temperature: 0°C
Bortle Scale	8/9 (City sky)

EQUIPMENT

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

SOFTWARE

Acquisition	Astro Photography Tool & SharpCap
Guiding	PHD2 Guiding
Processing	Siril & Adobe Photoshop