This is an image of the Bubble Nebula in the constellation Cassiopeia. The image was made in the Hydrogen Alpha bend with a total exposure time of 125 minutes. The telescope was a 16 inch reflector. The nebula is the result of the explosion of a supernova.
The Bubble Nebula
This story is inappropriate and should be flagged for moderation. Please choose from one of the following options:
Textcaster
Facebook
Twitter