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What lens did you get with it Trevor. At around 50mm you can get away with about 15 to twenty seconds at the celestial equator. The closer you shoot to the poles and the shorter your lens the longer you can keep your aperture open before trailing starts to become a problem. I'ts been posted before but here is a rough formula. Time = 700/FL at the equator and up to 1000/FL at the poles. Its a rough guide. but if you can take them at a higher ISO (say 800) and collect a few of them you may be able to rotate them and stack them in photoshop or even Registax.
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