Taken over 31st May, 7th/9th August and 3rd September 2007
210 minutes S2 in 30 min
subs, 400 minutes Ha in 10 and 30 min subs, 1 x 30 mins O3 sub all unbinned
Sigma combined in MaximDL, no
darks/bias/flats.
Takahashi FS-102NSV telescope at prime focus F8
Starlight Express SXV-H16
Starlight Express Adaptive Optics Unit
Astronomik S2/Ha/O3
filters
Final processing in Photoshop CS2 thanks to Peter
Shah