hi im looking for some help if anybody can help ive recently bought a 2nd hand c10 ngt celestron scope 2nd hand for myself and my daughter for xmas and we are looking for a bit of help setting it eq 5 mount up i have the latitude for dublin 53 but im not sure what the other ring dial on the eq5 mount is for could you help me get it set up for xmas night thank you john o donnell and isabelle thanks i know that it has to be pointing north at the polar star for aligment i had a small scope before but the c 10 is more advanced for us we got it a the wright price so we bought it any help would be much appericated thank you