ASASSN-18abj = 2018jro https://wis-tns.weizmann.ac.il/object/2018jro There is a Gaia ID and it is most likely a bright dwarf nova. 064441.436 +041437.77 (2000.0) Gaia_DR2_3127692667823379712 plx=2.220(0.644) dismod=8.3 pmra=-4.989(1.554) pmdec=-6.978(1.686) G=19.611 BP=19.485 RP=18.478