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Sabrina Kilian <ski### [at] vt edu> wrote:
> Bill Pragnell wrote:
> > Any expert photographers here want to comment?
>
> Servo motors work wonders, when you can gear them correctly.
>
> There are several tripod heads designed to track correctly against the
> spin of the earth, allowing for long exposures. Anything that works for
> for automatic telescopes can do the same work for a camera.
Yah... as Scott said, if it was done with a tracking mount then it must be a
composite, because both sky and ground are in focus.
I must try some sky photography sometime, though. :)
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