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keep at it
Chris,
By doing it the manual way, you are really going to learn a lot. When you get some cash, a reticle eyepiece would be a good start. Andrews have them for $79 or perhaps some kind person here can find you a cheap second hand one.
1.) Not without spending more money.
The more time you monitor the drift - and the higher power the eyepiece, the better your alignment will be.
You can also try the method mentioned above - to use the camera and move the mount while taking exposures.
2.) Depends on the focal length of the scope/camera. 30 sec should be possible. How far beyond that? Well you just need to keep trying and seeing how far you can push it. 2 minutes would be impressive!
3.) What sort of filter? What's it for?
The main thing is to have fun and to start with the easy (bright) targets like the Moon, and Orion etc.
James
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