NGC7635 Bubble Nebula

A Ha(LUM), SII, Ha, OIII picture, using tone mapping for Narrowband color combine technique. Exposure time SII, Ha, OIII~12*10min. each filter. Dark, flat frame subtraction done on each sub-frame and Astronomic filters used. Taken with Meade LX200ACF 16", Optec NextGEN WideField 0.5X reducer and SBIG ST-8XME; 12. Sep-09.

Published in S&T archive,
http://media.skyandtelescope.com/images/NGC_7635-100M-HaLUM_SII-Ha-OIII-TONE-1000.jpg

Same raw data used in this published picture Meade4M version:
http://www.meade4m.com/cgi-bin/gal_display.cgi?image=2058