NGC 7635 - The bubble nebula

Telescope: William Optics ZenithStar 80 EDII
Mount: EQ6 Synscan
Camera: Atik 314L+ Mono
Filters: Baader IR/UV Cut, Baader Ha, Baader OIII
Guiding : 50mm finderscope, QHY5L-II Colour
Exposures: 28x900sec Ha, 20x900sec OIII
Location : Alexandroupolis, Greece