M83 (Southern Pinwheel, NGC 5236)

Telescope: Planewave 17" CDK Reflector, 2912mm FL
Camera: FLI ProLine PL16803, 4096 x 4096 pixels
Exposure: Lum: 9 x 3 minutes. Processed with PixInsight.
Location: Siding Springs Observatory, Australia (Elevation 3720')
Image Center (J2000): RA 13h 36m 59s, Dec -29° 52' 15"
Image Size: 12' x 20'

Barred spiral galaxy. One of the first galaxies to be discovered but its spiral form wasn't recognized until much later. Three well defined spiral arms, dust lanes with many H-II regions and star clusters. Brightest Cepheid is mag V=22.33, too faint for this image.
Raw data for this image can be downloaded.


M83 (Southern Pinwheel, NGC 5236), Barred spiral galaxy. One of the first galaxies to be discovered but its spiral form wasn't recognized until much later. Three well defined spiral arms, dust lanes with many H-II regions and star clusters. Brightest Cepheid is mag V=22.33, too faint for this image., acquired with a remote telescope at Siding Springs Observatory, Australia (Elevation 3720')

Object Label Identifier Notes
Star Cluster Unlabeled squares Clusters of Stars cataloged in 1999 and 2004. 7 are marked.
Galaxy ESO 444- G 085 ESO 444- G 085 m=16.0, 1.4' x 0.4', Spiral
Galaxy PRC C-47 PRC C-47 mR=15.6, Peculiar galaxy, Polar Ring Catalogue
HII Region Unlabeled circles HII regions cataloged in 1983. 14 are marked.

Click on the image to display the plate solved image with annotations. 4' across M83 is about 17,000 light years.


FITS files to create this image:

Luminance:

M83 Luminance

Image shown is Luminance 001.fits. Each file is 180 seconds, Planewave 17" reflector, 4096x4096 pixels, unbinned with Darks, Bias and Flats applied. Data acquired May 30, 2017.


Luminance 001.fits
Luminance 002.fits
Luminance 003.fits
Luminance 004.fits
Luminance 005.fits
Luminance 006.fits
Luminance 007.fits
Luminance 008.fits
Luminance 009.fits


Files can be loaded into PixInsight directly from the PixInsight console. For example, in the PixInsight console enter:
    open "http://www.remote-astrophotography.com/M83/M83-Luminance-BIN1-009.fits"