Graem Lourens © 2017
All rights reserved
M51 Whirlpool Galaxy

The Whirlpool Galaxy is a spiral galaxy. It is suspected that at the center of the galaxy there is a super massive black hole, similar to our galaxies.

Distance to earth: 23’000’000 lightyears
Apparent size: 11 arcminutes (0.33 x the moon)

Imaging time: 19 hours

Telescope: SW Evostar 80ED
Camera: Atik 460EX Mono

Capture information:
Date: March 2016 – March 2018
Total exposure time: 19 hours
Color combination: LRGB

Image data:
40 x 600s LUM
18 x 1200s LUM
25 x 3 x 300s RGB