NGC281 - The Pacman Nebula 

The Pacman in HA

The Pacman Nebula in Cassiopeia 
ST-10XME and CFW8a, Astrodon 6nm H-Alpha filter
Takahashi FSQ F/5 Fluorite Refractor - SECOND LIGHT !!!
6 x 10min self-guided on an AP900QMD mount
Flats, Dark subtraction in CCDSoft5
Alignment and Sigma Reject combine in Maxim
Levels and curves in PS CS2
Flesherton, Ontario
June 17/18 2006

For fun, here is my previous best image of this object, taken with my ST7E and Orion ED80 at F/7.5