Graem Lourens © 2017
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M1 Crab Nebula

The Crab Nebula  is a supernova remnant in the constellation of Taurus. In the center of the nebula lies a neutron star with a spin rate of 30.2 times per second. The supernova was recorded by Chinese astronomers in AD 1054.

Distance to earth: 6’500 lightyears
Apparent size: 6 arcminutes (0.2 x the moon)

Imaging time: 15 hours

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

Capture information:
Date: January – February 2017
Total exposure time: 15 hours
Color combination: SII=Red, HA=Green, OIII=Blue

Image data:
15 x 1200s HA
15 x 1200s OIII bin2
15 x 1200s SII bin2