🌌 Object Information

• Name/Designation: Melotte 15

• Object Type: Open Cluster with Associated Emission Nebula

• Constellation: Cassiopeia

• Distance from Earth: ~7,500 light-years

• Apparent Magnitude: ~6.7

• Angular Size: ~30 arcminutes

📅 Imaging Info

• Date: January 2, 18-20, 22, 25 & 29, 2025

• Location: Athens, Greece

• Frames: 824 × 60″ exposures (13h 44m)

• 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: Optolong L-eXtreme 1.25″

• 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