Cookie consent

AstroBin saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing AstroBin without changing the browser settings, you grant us permission to store that information on your device.

I agree
Contains:  M 83, NGC 5236
Getting plate-solving status, please wait...

M83: The Southern Pinwheel Galaxy

Technical card

Resolution: 2121x1387 job: 1985817

RA center: 13h 37' 1"

DEC center: -29° 52' 15"

Pixel scale: 0.839 arcsec/pixel

Orientation: 94.118 degrees

Field radius: 0.295


Messier 83 (M83), also known as the Southern Pinwheel Galaxy, is a barred spiral galaxy located in the southern constellation Hydra.

M83 lies at a distance of 15.21 million light years from Earth and has an apparent magnitude of 7.54. It has the designation NGC 5236 in the New General Catalogue.

The Southern Pinwheel Galaxy occupies an area of 12.9 by 11.5 arc minutes of apparent sky, which corresponds to a spatial diameter of about 55,000 light years, or roughly half the size of the Milky Way. M83 is one of the nearest and brightest barred spirals in the sky and can be seen in 10×50 binoculars, which only reveal a patch of light with a brighter core.

Technical Data:
Capture and pre-processed in PRISM v10
Post-processing: Photoshop

Camera: QSI532
Mount: Nova120
OTA: 14.5" F/4.7 Newtonian
Location: Atacama Desert, Chile
RGB: 3 hours each 1x1 unguided (300s exposures)
L: 7 hours each 1x1 unguided (300s exposures)

Bob Sandness/Hamza Touhami



License: None (All rights reserved)



This version is processed by my friend: Stuart Forman ( @s24man on twitter ). The colors just pop out, and we included some HA subs as well. This was processed in Pixinsight.

Sky plot

Sky plot


M83: The Southern Pinwheel Galaxy,