Graem Lourens © 2017
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NGC2237 Rosette Nebula

The Rosette Nebula is a gigantic molecular cloud that is the birthplace of numerous new-born stars, visible in the center. The mass of the whole cloud is estimated to be 10’000 times the mass of our sun.

Distance to earth: 5’200 lightyears
Apparent size : 150 arcminutes (5 x the moon)

Imaging time: 18.5 hours

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

Capture information:
Date: December 2016 – February 2017
Total exposure time: 18.5 hours
Color combination: HaOIII

Image data:
24 x 1200s HA
24 x 1200s OIII
10 x 3 x 300s RGB