One of my favourite subjects. The field of view with this set up is 3.9 by 2.6 degrees which allowed me to nicely frame the dark nebula B 168.

IC 1546 – September 6, 2007
Constellation: Cygnus
Location: Cattle Point.
Optics: Borg 77EDII at f/4.3
Camera: Canon 20Da on Kenko SkyMemo.
Exposures: 101 light frames of 60 sec, ISO 800. 1 hr 41 min
Process: Calibrated with 25 dark frames and 25 flat frames in ImagesPlus. Combined using MinMax Excluded. Colour balance in Photoshop.