Bubble nebula

The bubble nebula, known as NGC7635 or C11 is an emission nebula located in the constellation Cassiopeia. The "bubble" is created by the stellar wind from a 8.7 magnitude central young star.

Telescope: Newtonian 750mm/150mm
Filter: Optolong L-enHance
Camera : ASI ZWO585
Exposure time: 1 hour 12 min