Hi there,
it has been a long time.
Here is ngc7331 with his friends, median of 121x60s, dark, offset, ddp.
Instrument: Audine ccd kaf400 with .5 webcam focal reducer, Mewlon 180.
Yes yes; i know that a flat division is missing
Pierre.
http://astrosurf.com/pierre/Ciel_pro...21x60s-ddp.jpg