Exceptionally high optical state of Blazar PG 1553+113:

object          date (UTC)      mag      comment   -------------------------------------------------- PG 1553+113    20221225.284    13.88V    active, OU, COAST      PG 1553+113    20230116.210    13.74V    active, OU, COAST PG 1553+113    20230204,147    13.59V    active, 20cm-RC, Italy PG 1553+113    20230306,030    13.44V    active, 30cm-RC, Italy --------------------------------------------------

PG 1553+113 = 1ES 1553+113 (RA: 15 55 43.0440 Dec: +11 11 24.3656; ICRS J2000). See also ATel #15915.

Stefan Karge (SKA) http://quasar.square7.ch/fqm/1553+113.html _______________________________________________