Hi all...
Great couple of imaging nights in the past week in SA which I grabbed advantage off to get some Ha Eta images under a moonless sky.
Details...
Astro 40D (-18ºC Avg temp)
Canon 400 mm f5.6L @ f5.6, Astronomik 12nm Ha EOS clip filter
iso 1600, 27x15min subs (405mins in total)
Took a couple of 1-2min subs for core masks
Stacked/Aligned in Nebulosity, Processed in good 'ol PS.
High res...
http://s327.photobucket.com/albums/k...current=8h.jpg
Cheers
Doug
