Celestial hemisphere:  Southern  ·  Constellation: Hydra (Hya)  ·  Contains:  HD118600  ·  M 83  ·  NGC 5236  ·  Southern Pinwheel Galaxy
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M83, Southern Pinwheel Galaxy, Frank Alvaro
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M83, Southern Pinwheel Galaxy

Getting plate-solving status, please wait...
M83, Southern Pinwheel Galaxy, Frank Alvaro
Powered byPixInsight

M83, Southern Pinwheel Galaxy

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Description

Messier 83 or M83, also known as the Southern Pinwheel Galaxy and NGC 5236, is a barred spiral galaxy approximately 15 million light-years away in the constellation borders of Hydra and Centaurus. It is one of the closest and brightest barred spiral galaxies in the sky, and is visible with binoculars. It has an isophotal diameter at about 36.24 kiloparsecs (118,000 light-years). 

M83 is a massive, grand design spiral galaxy. Its morphological classification in the De Vaucouleurs system is SAB(s)c, where the 'SAB' denotes a weak-barred spiral, '(s)' indicates a pure spiral structure with no ring, and 'c' means the spiral arms are loosely wound. The peculiar dwarf galaxy NGC 5253 lies near M83, and the two likely interacted within the last billion years resulting in starburst activity in their central regions. (Wikipedia)

This is the first image from my recently acquired SkyWatcher Esprit 120 triplet, using R, G and B filters and a synthetic luminance.

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