🌌 Object Information

• Name/Designation: Fireworks Galaxy (NGC 6946) & Ghost Bush Cluster (NGC 6939)

• Object Type: Spiral Galaxy & Open Star Cluster

• Constellation: Cepheus

• Distance from Earth:

• NGC 6946: ~22 million light-years

• NGC 6939: ~3,800 light-years

• Apparent Magnitude: NGC 6946: ~9.6
  NGC 6939: ~7.8

• Angular Size: NGC 6946: ~11 arcminutes
  NGC 6939: ~8 arcminutes

📅 Imaging Info

• Date: October 9-12, 2023

• Location: Athens, Greece

• Frames: 583 × 60″ exposures (9h 55m)

• Camera Settings: Gain 101 | Temperature: 0 °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