A personalised star map poster shows the night sky as it looked over a place you choose, on a date you choose, with your names and a short line of text underneath. It is a popular gift for weddings, anniversaries, the night you met and the arrival of a new baby.Of all the personalised gifts, a star map is one of the simplest to make and one of the hardest to get wrong: you only need a date, a place and a few words. This guide explains what goes on the poster, which dates work best, how our designs differ and what size to choose.