I saw a system that was actually attached to the rifle scope and used to position the rifle for firing.  This was done on a Weatherby and used for long range Handicapped competition.  As near as I could tell it worked fairly well but in talking to the individual it was expensive.
So seeing this I would assume that the same thing could be possible for a spotting scope.  You might also want to look into systems that actually have a camera posted at the target area and wirelessly transmit a video image back to your shooting station to a computer or monitor.Some of these have been featured on youtube.
Check em out.

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Cary

Anything can be found if you got money. Check this out!  (You need to Login or Register to view media files and links)
A friend on mine uses a video camera and a wireless router to a lap top. I think it is only good for 200yds and requires ac power at the target.
Kurt

That's why I think that a remote camera closer to the target (and well-bunkered, of course) would be more useful.  Biggsie posted a video a while back of a German range where each position had a monitor over the shooter's head to give instant feedback of where the shots were hitting.  I don't see why that couldn't be engineered to be a portable setup.

Ha.. found one of the sites I looked at;
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About $800, 2500 yard range, wireless, battery powered, comes with the 7" screen to view.
No idea if it's any good, but it's a start!

Thanks for everyone's help.

I'm doing some experimenting over the weekend.   

I'll let you know if I come up with anything useful.

Bobduck

I purchased an inexpensive video camera from Best Buy and had a chance to experiment with it over the week end.  The guys at Best Buy were intrigued with my project.  I can return the camera by January 15th if it doesn't work for me.

It as a 32 power zoom and I was surprised at how clear the image was.  Just using the camera zoomed in on my 100 yard home range I shot some 22 rimfire at some steel targets and also some shots into the snow to see if I could see the bullet strikes.

At 100 yards I had no problem seeing the bullet strikes when I played the video back on my computer.

I won't have a chance to try it at 1000 yards until this spring but I see no problem with this set up working at that range.  My 1000 yard target is a full size cut out of a buffalo from 3/8 inch steel.  It was given to me so I don't know what kind of steel it is but bullet strikes don't make any mark on the target at all.  It appears at 1000 yards this target will be about 1 inch wide on my computer screen and my field of view will be about 160 feet wide and 80 feet high.  It's about the same field of view vertically as with my Unertl 24x63 spotting scope.

I think this is going to work.

If you're interested here's a link to a webpage I created which shows my 1000 yard range on our family homestead.

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Bobduck

Does your telescope accept different eyepieces?  I can put in an inverter to take care of flipping the image.  It comes with a small cost to light transmission though.  But with an 8" mirror there would be lots of light...