NGC7635 Bubble Nebula
NGC7635 Bubble Nebula
The bubble nebula is an emission nebula in the constellation of Cassiopeia. The bubble is caused by a young central star that excites the giant molecular cloud surrounding it.
Distance to earth: 8’000 lightyears
Apparent size: 30 arcminutes (1 x the moon)
Imaging time: 13.8 hours
Equipment:
Mount: SW AZEQ6GT
Telescope: SW Evostar 80ED
Camera: Atik 460EX Mono
Capture information:
Date: September – November 2015
Total exposure time: 13.8 hours
Color combination: HA=Red, OIII=Green/Blue
Image data:
20 x 1200s HA
20 x 1200s OIII
