Unusual square of four mid-brightness stars NE of Aquarius & faint eastern limbs. But NE star is Alpha Andromedae; rest: 1st 3 greek letters. Deep space: N:NGC7331,SW by corner of Equuleus (small pegasus/horse) is M15: likely 12bn year-old cluster.
Pegasus (constellation) (Wikipedia)Pegasus is a constellation in the northern sky, named after the winged horse Pegasus in Greek mythology. It was one of the 48 constellations listed by the 2nd-century astronomer Ptolemy, and is one of the 88 constellations recognised today.