NGC 7635 Bubble Nebula Narrowband

Camera: ATIK 383L+ sensor -25°C with Atik EFW2
Optics: Meade LX 50 10" Emc with f6.3 focal reducer
Filters: Baader 36mm
Exposure time (seconds):
SII: 16×1800 bin 1×1
HA: 14×1800 bin 1×1
OIII: 15×1800 bin 1×1
Guiding camera: Starlight Xpress Lodestar on TS-OAG9 off-axis guider

Place: Pesaro (PU) Italy
Date: 06/06/2014 – 28_29/09/2014