NGC 7635 (Bubble Nebula)
Telescope: RCOS 12.5"
Camera : STL11000 (off axis guided)
Mount : AP1200
Image date: Oct 2010
-- Filters used and total time--
Luminous 125 minutes
Red 30 minutes
Green 30 minutes
Blue 30 minutes
Ha
OIII
SII
Distance from Earth--11300 light years
Located in: Cassiopeia