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Search results - "M97"
M97_2013_02_16_120mm_314L+_109min.jpg
The Owl Nebula982 viewsThe Owl Nebula (Messier 97, or M97) is a planetary nebula in the Big Dipper about 2600 light years away. The nebula formed about 6,000 years ago when a Sun-like star died. The nebula gets its name from the owl-like "eyes". This narrowband image consists Hydrogen alpha, Hydrogen beta and Oxygen emission lines captured through a 120mm f/8.3 refractor and Atik 314L+ camera (109 min total exposure).
M_97.jpg
Messier 97, the owl nebula1125 viewsMessier 97, aka the owl nebula, in Ursa Major is described in Admiral W. H. Smyth’s A Cycle of Celestial Objects (2nd Ed, 1881) as a “large planetary nebula, or globular collection of nebulous matter.” M97 has a three-shell structure; the red color of the Ha emission of the second shell is visible in the image. Image is a total of 8 hr exposure taken with an Astro-Physics 130mm f8 refractor and SBIG SR2000xcm on an AP 1200 mount (24 x 20 min lights, 30 darks, 64 flats, 64 flat darks, 64 bias) calibrated in Images Plus 5.0; color balance in PixInsight 1.8; Photoshop CS6
   
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