Ahh yes, I think we might be both starting to slide down the money pit of dew heaters et al in the near future, my neighbours wont tolerate the little portable hair dryer for much longer, although, the ones who let their cats out at night to poop in my garden can go jump.....
One minor suggestion for you though... with the great quality you are getting from the SPC900NC, try derotating the images in Registax before you save the cropped version using the big volume control or the left hand value box so that Joop lines up on the horizontal.
That way, everyone will think you have an EQ mount and not blast you for getting such great shots with a
shhhhhhhhhh- Dobsonian mount - shhhhhhhhhhhh
Chris