Thanks Tony
Yep sure have, heres NGC 6164-5 taken with my Unmodded 300D and 10 inch F5.6 scope
http://www.users.on.net/~josiah/temp...64-65small.jpg
3x5 mins ISO 400 no filter
UHCS filtered version
http://www.users.on.net/~josiah/baad...teredsmall.jpg 2x10 mins ISO 800
NGC 6188
http://www.users.on.net/~josiah/baader/NGC6188small.jpg
2x10mins ISO 1600 UHCS filter
Your rig will do well with both nebulae (probably wont be able to fit them in one frame though)
Scott