NGC 7635
 

Click photo to see a larger image.
 
Description: The central object in this image is aptly nicknamed 'The Bubble Nebula'. The hot, young central star is ejecting a stellar wind which has carved out a roughly spherical cavity in the surrounding ionized hydrogen.
 
Constellation: Cassiopeia
 
Distance: 12,000 light years
 
Date: 28 july 2005
 
Equipment: 12" RC @ f/9, ST10XME, AP1200
 
Exposure: 4 hours 6nm Ha (Astrodon)