NGC 2359 (Thor’s Helmet)

NGC 2359 (Thor’s Helmet)

This helmet shaped cosmic cloud known as Thor’s Helmet is part of a larger complex at about 15,000 light years distance in Canis Major.

An interstellar bubble (The helmet) blown as a fast wind from an extremely hot giant Wolf- Rayet star on the verge of going super nova.

F O V. is 25 x 25 min. of arc.

Telescope.  16 Inch F 4.5 Newtonian.

Camera.  S Big ST 4000 XCM OSC CCD.

Exposure and Date.  15 x 600 sec. + 12 x 900 sec. + 11 x 900 sec.

Apr. 2011,  Jan. 2013,  Feb. 2017.

Location. (Wiruna) Ilford  N.S.W.