Adding to the others' good advice, I would get an OAG and sensitive guide cam. at that FL you are going to need OAG, Bo is correct it is easier starting off guided exposures on a shorter FL scope but if the end game is to be using the 1100 you may as well go straight for an OAG whether it is an ED80 or the 1100 - you will need a strong focuser however.
good luck!
Russ
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