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Contains:  M 83, NGC 5236
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M83, Southern Pinwheel Galaxy (HaLRGB)

Technical card

Imaging telescope or lens:Planewave 17″ CDK

Imaging camera:FLI Proline 16803

Mount:Planewave Ascesion 200HR

Software:Maxim DL, Gimp

Resolution: 2276x1744

Dates:March 11, 2017

Frames:
Blue: 6x300" bin 2x2
Green: 6x300" bin 2x2
Ha: 5x600" bin 2x2
Lum: 5x600" bin 1x1
Red: 6x300" bin 2x2

Integration: 3.2 hours

Avg. Moon age: 13.67 days

Avg. Moon phase: 98.64%

Astrometry.net job: 1866562

RA center: 13h 36' 58"

DEC center: -29° 52' 26"

Pixel scale: 0.643 arcsec/pixel

Orientation: 359.107 degrees

Field radius: 0.256

Description

* Acquisition: iTelescope-Portugal.
* Processing: Ruben Barbosa.
* Distance: 15 Mly.

* See also: M83, close-up.

The Southern Pinwheel Galaxy (M83, NGC 5236 or Milky Rubies Galaxy) is a barred spiral located approximately 15 million light-years away, in the direction of the Hydra constellation. It is about 40.000 light-years across, it is the dominant galaxy of the M83 group, along with Centaurus A and NGC 5253.

The red / pink areas that we observe in the image are diffuse nebulae while the blue dots are newly formed stellar clusters. This combination of colors led to it being known as the Thousand-Ruby Galaxy. Between the arms there are regions of low stellar density and dark clouds that accompany the spiral structure. In the distant plane, it is possible to observe two galaxies to the left of the M83.

Comments

Author

RRBBarbosa
Ruben Barbosa
License: None (All rights reserved)
8267
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HaLRGB version.

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M83, Southern Pinwheel Galaxy (HaLRGB), 





    
        

            Ruben Barbosa