[Robert_T]

Hi All, cloudy again so decided to try some re-processing with VirtualDUb of a dissapointing Mars image taken through my Mewlon 180 last week.

I've been wondering for a while how much the distortion of the planet's disk is factored into the quality filtering in Registax - it seems to me to select or exclude frames on basis of feature contrast but not on the shape of the planet's disk. I decided to use Virtual Dub to scan through 1500 frames excluding those that looked distorted in shape and then processed the remainder to see it I could get a better image.

The original is at left below followed by two processings of the same AVI but Virtual Dubbed down to relatively distorted frames. Post processing in registax involved a small amount of LR deconvolution in Astra Image 2 with the final one having some despeckling applied in photopaint.

The latter images perhaps aren't as contrasty as the first, but I think the detail is better - a good indicator is the visibility of some cloud at the upper right that's invisible in the original - I'm guessing because feature alignment is better with the less distorted frames.

What do you guys think?