NGC7635, a SII, Ha, OIII picture | Niels V. Christensen

Photographer
Niels V. Christensen
Email
nvcchr@mail.dk
Location of photo
Copenhagen Denmark
Date/Time of photo
July-August 2009.
Equipment
Taken with Meade LX200ACF 16" mounted on wedge, Optec NextGEN WideField 0.5X reducer and SBIG ST-8XME used.
Description
NGC7635, a Ha (LUM), SII, Ha, OIII picture using tone mapping for narrowband color combine technique. Exposure time SII,Ha,OIII~12*10min. each. Dark, flat frame subtraction done on each sub-frames and Astronomic filters used. The picture is cropped a little due to that the raw frames were taken during three different nights during July and August 2009.
Website
http://home20.inet.tele.dk/nvc_homepage_dk/