🌌 Object Information

• Name/Designation: Cocoon Nebula (IC 5146)

• Object Type: Reflection/Emission Nebula with Embedded Star Cluster

• Constellation: Cygnus

• Distance from Earth: ~3,300 light-years

• Apparent Magnitude: ~7.2

• Angular Size: ~12′

📅 Imaging Info

• Date: Aug 30, Sep 24-27, Oct 12, 26-28, 2025

• Location: Athens, Greece

• Frames: Luminance – 511 × 60″ exposures (8h 31m)

  Narrowband – 483 × 60″ exposures (8h 3m)

  Total: (16h 34m)

• 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″ & 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