Telescope: Skywatcher 8" f/5 Newtonian
Focus: Prime focus
Camera: SAC7B, uncooled
Exposure: 41 x 25s & 39 x 20s
Date: 16th July 2003 and 8th August 2002
Processing: Older set acquired in Astrovideo
as FITS. Stacked, and colour enhanced in Iris. Noise reduction
using wavelets in Iris and in SGBNR.
July 2003 set acquired and processed as
described on this site, ie YRGB. Overall luminosity image was Y of new
set + G of old set.
The 2003 imaging session was cut short by
cloud and only 41 usable frames resulted. I decided to combine these
with an old set taken a year ago. The increased no. of frames together
with the new technique of removing banding enabled more detail and dimmer
stars to be shown on the final image.