Galaxy NGC 2146

15мар

NGC 2146 is a barred spiral galaxy type SB(s)ab pec in the constellation Camelopardalis. The galaxy was discovered in 1876 by Friedrich August Theodor Winnecke. It has a diameter of 80,000 lyr. The galaxy’s most conspicuous feature is the dusty lanes of a spiral arm lying across the core of the galaxy as seen from Earth, the arm having been bent 45 degrees by a close encounter with a smaller galaxy possibly NGC 2146a about 0.8 billion years ago. This close encounter is credited with the relatively high rates of star formation that qualify NGC 2146 as a starburst galaxy. It was host to supernova SN 2005V, a type Ib/c supernova discovered by LIRIS on January 30.

Imaging telescopes or lenses: The Liverpool Telescope
Imaging cameras: RATCam
Software: DeepSkyStacker,  Photoshop
Filters: H-Alpha-6566,  Bessell-B,  SDSS-R, Bessell-V
Resolution: 711×709
Dates: Jan. 24, 2007
Frames: 30×90″
Integration: 0.8 hours
Avg. Moon age: 5.27 days
Avg. Moon phase: 28.30%
Locations: Roque de los Muchachos Observatory, Santa Cruz de Tenerife, Spain
Author: Matthew

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