OBJECT INFORMATION

Name/Designation	Markarian’s Chain
Object Type	Galaxy Chain (Virgo Cluster)
Constellation	Virgo
Distance	~55 million light-years
Apparent Magnitude	~9.3 (M84)
Angular Size	~1.5°

IMAGING

Date	April 28–29 & May 1–2, 2024
Location	Athens, Greece
Frames	398 × 60″ exposures
Integration	6h 38m
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	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