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.
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