The Thor’s Helmet Nebula (NGC 2359)

Captured from the skies of the United Arab Emirates 🇦🇪, this image reveals the dramatic structure of the Thor’s Helmet Nebula, an emission nebula shaped by the intense stellar winds of a massive Wolf-Rayet star at its center.

The powerful outflows from this evolved star collide with surrounding interstellar material, sculpting a complex bubble-like structure that resembles a celestial helmet floating in space. The glowing gases, dominated by hydrogen and oxygen emissions, unveil turbulent arcs and filaments that trace the energetic history of the star.

• Telescope: Sky-Watcher Quattro 200P (f/4 Newtonian Reflector)
• Camera: ZWO ASI533MC Pro (cooled)
• Filters: ZWO Narrowband (Ha, OIII, SII)
• Mount: iOptron HAE43
• Guiding: Svbony Mini Guider Scope 30mm + ZWO ASI120MM
• Accessories: ZWO EAF focuser, ASIAir Plus

Exposure: 75 × 300s (Total: 6h 15m)
Acquisition: ASIAir Plus
Processing: PixInsight & Photoshop