IR remote for D70 and startrails

I've been looking for some time for a remote control for my Nikon D70 in order to make very long exposure times possible (> 30 secs). I know you can buy a remote for this - but they are quite expensive. After some more browsing around I found a module for my Palm to act as a IR remote for the camera. Really useful and it works great.
The above image was taken with my 55mm lens at f=4 and an exposure time of 632 seconds. More pictures will follow later...
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