PhotographerNiels V. Christensen
Location of photoCopenhagen, Denmark
Date/Time of photoSep-2011 and July-2009
EquipmentTelesope Meade LX200ACF 16" mounted on wedge and SBIG ST-8XME camera. Astronomik Ha,OIII,SII filters used.
DescriptionNarrowband picture of NGC7635 which consist of Ha,OIII and SII subs taken in 2009 and in 2011. The Hubble palette is used and total exposure time was ~9.3 Hours.The picture was created as a LUM(HaOIIISII),SII,Ha,OIII picture. Number of sub-frames were Ha=14*10min+15*5min, OIII=12*10min+14*5min. and SII=13*10min+5*5min. More information and pictures via www.astro-hp.dk