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

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Photographer:

Niels V. Christensen

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/