NGC2359 – Thor’s Helmet

NGC2359 – Thor’s Helmet

with No Comments

Similar to the Crescent Nebula, at the heart of NGC2359 is a Wolf-Reyet star, a massive and hot star shedding material that happens to resemble Thor’s Helmet.  Captured with a QSI683 camera, Astrodon SII / Ha / OIII filters, and roughly 12 15-minute exposures of each filter.

 

NGC2359 Thor's Helmet - Annotated

 

Resolution ........ 0.572 arcsec/pix
Rotation .......... -171.105 deg
Focal ............. 1948.93 mm
Pixel size ........ 5.40 um
Field of view ..... 29' 50.0" x 21' 51.6"
Image center ...... RA: 07 18 34.724  Dec: -13 12 39.87