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OK, I do this all the time and it is really easy, no need to park scope.
I use a Meade ETX90 but I am sure it will be the same for your celestron.
get the OTA and tripod dead level, use spirit level if you have to. Point OTA true north using best comapss available, do not use magnetic north, must use true north.
Turn scope on, set date time etc, then autoalign to any two stars, just accept that the OTA is pointing at them when asked, then slew to a bright planet you know is up, clearly Venus and Jup are your best options here, if you choose Venus, leave your caps on until it finishes slewing and check to make sure that OTA is far enough away from sun, remove caps, look through finder only, if you got level and north spot on then the object should be in FOV of finder, always is for me, then manually slew scope to object and set align on hand piece. Voila, everythign else should be in FOV in eyepiece from there. I have very sucessfully found Mercury, venus, Jup and saturn using this method, (oh Moon too) but stars are a bit trickier, Sirius is the only one I have had luck with. It is best to perform this in the later afternoon when the air is steadiest, by then the upper and lower atmosphere's have come as close as they can be. This is a fantastic way to view Jupiter by the way, the GRS is quite observable in the afternoons as the seeing is usually very good, often better than night (before midnight) as the temperatures have settled.
Happy daytime hunting, Dennis.
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