Thor's helmet in SHO

On 04/18/2026 by Mohammed Abdallah | Suez, Egypt

This is Thor's Helmet, or NGC 2359, a very hot interstellar cloud around a dying "Wolf Rayat" star. This is in SHO false color palette.

exif:
Camera: Nikon D3500 astromod
Lens: Nikkor 70-300mm F4.5-6.3 at 300mm
Mount: iOptron Skyguider Pro
Filter: SVbony SV220
Skywatcher Tripod

471 frames x 45s iso 6400 F6.3 - about 7 hours of data
Darks, Flats, Bias frames
stacked and processed in Siril