Antilhue - Chile

NGC 2359 - Thor's Helmet
Home Clusters Galaxies Nebulae Solar System Bennett Catalogue Published images



Image Data

Designation NGC 2359,  Thor's Helmet
Object type Galactic reflection + emission nebula
Coordinates 07 h 19 min     - 13° 14'
Constellation Canis Major  (CMa)
Description An extremely hot Wolf-Rayet star excites this faint wind-blown bubble nebula in a fine, dense starfield.   Strong OIII emission accounts for its blueish-green color.  The field is 37 x 25 arcminutes with north towards the top.

Click on the image for higher resolution (1500 x 1000 pixels)

Exposure LRGB 150:50:50:50 min @ -20°C, RGB binned 2x2
Camera SBIG STL-11000 selfguided  with Astronomik Type II LRGB filter set.
Optics RCOS 14.5" Ritchey-Chrétien at prime focus (f/9)
Mount Astro-Physics AP1200GTO
Software MaxIm DL/CCD, Sigma Pre Beta 11, Registar, Adobe Photoshop CS
Location - Date - Time San Esteban (Chile) - 08Jan05 (L) and 09Jan05 (RGB) @ 06:00 UTC
Conditions Transparency 7,  Seeing 7, Temperature + 13°C