This is my second attempt at creating a mosaic. I used two images of the region surrounding Sadr. I’m trying to gain more experience putting those together as my next project will be a much larger mosaic.

Sadr Nebula – September 12, 2007
Constellation: Cygnus
Location: Godin/Newton Observatory, Pearson College.Optics: Borg 77EDII at f/4.3
Camera: Canon 20Da on Kenko SkyMemo.
Exposures: 48 light frames of 90 sec, ISO 800 used for top frame. 52 light frames of 90 sec, ISO 800 used for bottom frame.
Process: Calibrated with 35 dark frames and 25 flat frames in ImagesPlus. Combined using MinMax Excluded. Mosaic created with Photoshop.