ULAS J1120+0641
ULAS J1120+0641 is a quasar in the constellation Leo. It was discovered in June 2011. It was the most distant known quasar but then an another quasar named ULAS J1342+0928 was found in 2017 was found further away. It is at a projected comoving distance of 28.85 billion light years and was the first quasar found beyond a redshift of z = 7.