PhotographerNiels V. Christensen
Location of photoCopenhagen Denmark
Date/Time of photoJuly-August 2009.
EquipmentTaken with Meade LX200ACF 16" mounted on wedge, Optec NextGEN WideField 0.5X reducer and SBIG ST-8XME used.
DescriptionNGC7635, 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.