Milwaukee Astronomical Society

 

Thor's Helmet

Thor's Helmet

 

Photo by Arun Hegde

 

Scope / Lens

TS-Optics 200mm/8" ONTC f/4 Newtonian (carbon tube)

 

Camera

ZWO ASI294MM Pro

 

Exposure

Frames: Chroma H-alpha 5nm Bandpass 31 mm: 60×300"(5h) (gain: 120.00) -10°C Chroma H-alpha 5nm Bandpass 31 mm: 188×300"(15h 40') (gain: 120.00) -25°C Chroma OIII 3nm Bandpass 31 mm: 12×300"(1h) (gain: 120.00) -10°C Chroma OIII 3nm Bandpass 31 mm: 75×300"(6h 15') (gain: 120.00) -25°C Integration: 27h 55'

 

Other

Astrobin Top Pick Nomination

 

ID: 1493

Other Images by Arun Hegde