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Thor's Helmet in the winter Milky Way
NGC 2359 or Gum 4, a.k.a. Thor’s Helmet, is found in the winter Milky Way of the constellation Canis Major (the large dog). This constellation is easily located since Sirius, the brightest star in the sky, is found in Canis Major. Thor’s Helmut is a gaseous nebula illuminated by a very hot Wolf-Rayet star. Image is a total of 2.75 hr exposure (33 x 5 min lights, 30 darks, 64 flats, 64 dark flats) taken with a modified Canon 40D DSLR and Takahashi E-180ed astrograph.
Eight_hr_total_exposure.jpg Thors_Helmet.jpg Messier_15.jpg M_46___the_planetary_nebula_NGC_2438.jpg Messier_82_Total_exposure_685_minutes.jpg
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