OBJECT INFORMATION

Name/Designation	Abell 1656 (Coma Cluster)
Object Type	Galaxy Cluster
Constellation	Coma Berenices
Distance	~320 million light-years
Apparent Magnitude	~10 (brightest members)
Angular Size	~3°

IMAGING

Date	May 17–21, 2025
Location	Athens, Greece
Frames	660 × 60″ exposures
Integration	11h
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