The Bubble Nebula or NGC 7635 is an hydrogen emission nebula with a bubble structure that is formed by stellar wind from a massive central star. Also in the field of view is the open cluster of Messier 52. M 52 is at a distance of 4,600 light years and the Bubble Nebula is a more distant 7,000 to 11,000 light years away.
NGC 2244, Messier 52 The Bubble and the Open Cluster
- Constellation: Cassiopeia
- Category: Nebulas
- Telescope: EDT 80mm Reftactor
- Camera: ZWO 1600 MM