NGC 7635, the Bubble nebula

Constellation: Cassiopeia

NGC 7635, the Bubble nebula, is an emission nebula located in the constellation of Cassiopeia. It is created by the stellar wind from a massive hot young central star, approximately 1.6 million Ly from Earth. The image was taken with narrowband filter: Hydrogen-α, Oxygen III and Sulfure II.

Telescope & Mount:

Orion Optics UK ODK10 on a GM1000HPS mount

Imaging:

Camera: ZWO ASI1600MM Pro (bin 2×2)

Data (7 nm narrowband fiters):
Ha: 52x240s
Oiii: 57x300s
Sii: 59x300s

Total integration time: 13h 8′