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Hey Andrew - me too about 2 weeks ago, suggestion get an external DC adapter if you plan to image long term somewhere nears main power - about $100 if you shop around.
Right now I've downloaded the 30 day trial versions of MaximDL, MaxDSLR, DSLR Focus and DSLR Shutter and am busying reading manuals!
I understand for long duration photography you have to enable the Bulb function, which it seems you can't do in any software operating via the supplied USB cable????? (serious software design oversight there). So I am busy waithing for a ShoeString DUSB USB shutter cable to arrive - as I have read in online forums that most software seems to work with that.
I say most and not all because I hear the renown DSLR Focus doesn't, even though it specifically supports the 5D, 20D, 300D and 350D! I've written to Chris twice now asking if there is a workaround or any idea when a release may add support for the 400D - no reply in over 10 days...
I'd be curious to know what settings you use for photography. So far I have tended to use the supplied Canon EOS utility with the camera directly attached to a scope and the control wheel set to Av settings, set ISO to 800 or 1600, and take 30 second snaps for nebula, down to 4-5 seconds for bright planets like Saturn. I set the Bias is it to +2 - it gives the best results for the faint dust in nebulae.
My shots seem to have a green tinge to them, for instance M42 below, which I understand should look pinkish (after photshop?). So I guess you need to adjust the RGB settings of the camera to give more priority to certain colours. I have yet to play around with dark frames - but once I exceed 30 second shots that is a must do.
The camera seems to have plenty of quality, its just learning curve I face now!
Happy to swap learnings on this one buddy!
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