🌌 Object Information

• Name/Designation: Sombrero Galaxy (Messier 104 / NGC 4594)

• Object Type: Spiral Galaxy (Unbarred)

• Constellation: Virgo

• Distance from Earth: ~29.3 million light-years

• Apparent Magnitude: ~8.0

• Angular Size: ~8.7 arcminutes

📅 Imaging Info

• Date: May 25, 27 & 28, 2023

• Location: Athens, Greece

• Frames: 243 × 60″ exposures (4h 3m total)

• Camera Settings: Gain 101 | Temperature: -5 °C

• Bortle Scale: 8/9 (City sky)

🔭 Equipment & Guiding

• Imaging Telescope: Sky-Watcher Explorer 130PDS

• Imaging Camera: ZWO ASI533MC Pro

• Mount: Sky-Watcher EQ5 Pro

• Filter: Baader UV/IR Cut Luminance 2″

• Accessory: Baader 2″ MPCC Mark III Newton Coma Corrector

• Guide Scope: Artesky 32mm Mini Guide Scope

• Guide Camera: ZWO ASI120MM Mini

🛠️ Software

• Astro Photography Tool (APT)

• PHD2 Guiding

• PixInsight

• BlurXTerminator

• NoiseXTerminator

• StarXTerminator