M83 Southern Pinwheel Galaxy
Published in Astronomy Now Magazine July 2019
Published in Amateur Astrophotography Magazine Issue 71 December 2019
A barred spiral galaxy in the constellation Hydra. It is about 15 million light years from Earth.
Picture





TARGET
Nomenclature:  M83, Messier 83, Southern Pinwheel Galaxy, NGC 5236
Right Ascension: 09:55:33.2
Declination: +69:03:55
Size: 27 arc min
Discovery: Nicolas Louis de Lacaille on February 23, 1752

EQUIPMENT USED
APM TMB LZOS 152 refractor
10Micron GM2000 HPS mount
QSI6120 CCD camera
Astrodon filters
IMAGE CAPTURE
5nm Ha: 8x1200 bin 1x1
Luminance: 27x900 bin 1x1
Red: 10x600 bin 1x1
Green: 10x600 bin 1x1
Blue: 10x600 bin 1x1
Total integration: 14.2 hours
Pixel scale: 0.534 arcsec/pixel
Field radius: 0.364 degrees
Capture dates: 26 April - 17 May 2018
Capture location:  Alcalali, Spain
IMAGE PROCESSING
Pre-processing: CCDStack2
Post-processing: Photoshop CS2