Flamsteed designations are for stars that are similar to Bayer designations . There are examples of stars bearing Flamsteed designations for constellations in which they do not lie , just as there are for Bayer designations , because of the compromises that had to be made when the modern constellation boundaries were drawn up . There are examples of stars bearing Flamsteed designations for constellations in which they do not lie , just as there are for Bayer designations , because of the compromises that had to be made when the modern constellation boundaries were drawn up .