At this time of night, probably no where, if there is anywhere I would rest my stakes on the bus station or train station but not sure if either are still open.
Day time if it can wait that long, pretty much any supermarket, but I know for sure Morrisons, Hillsborough.
A little out the city centre, but does the 24 hour Tesco on Infirmary Road still have a photo machine? I'd prefer there to the Interchange at that time of night anyways.
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It's hard enough remembering my opinions without remembering my reasons for them....
Go to SIMPLY PORTRAITS on Mansfield Rd at Intake. They do passport photographs, Visa Photo's and loads more. Ring them on 0114 2395831 or 0800 0 192 911.