This is data from March, but today I hand-picked the best 28 subs and then recombined them. Very pleased with the improvement. Tracking blur is almost eliminated and you can see a lot of fine detail around the keyhole nebula.
Big Version (666 Kbytes)
28x30secs ISO1600
Canon 350D Noise reduction on; no filters; no coma correction
LXD-75 SN-8 unguided