NGC 7635 the Bubble nebula in false color

http://coatesastrophotography.com/p840667703/h767554e#h767554e
NGC 7635 the Bubble nebula in false color
Constellation Cassiopeia
~7100 to 11,000 light years distant
Ha 20min subs totaling 3 hours.
OIII 20 min subs totaling 1 hour and 20 minutes.
SII 20 min subs totaling 1 hour and 20 minutes.
QSI 683 wsg-8
Losmandy g11 Gemini II
AT8RC
Taken October 10 and 11, 2013