The UGSU star V1389 Tau is currently in outburst. The previous outburst (poor coverage) occurred in January 2020, with the only other outburst recorded in the AAVSO IDB occurring in October/November 2016 (Superoutburst).
Nov 13.618 <15.5 visual N Brown (AAVSO IDB) Nov 16.972 14.33CV G Poyner (SLOOH)
Vsnet-alert 20267 (Oct 28, 2016) gives a superhump period of 0.08035(5)d from the 2016 superoutburst.
AAVSO VSX reports a further outburst recorded in August 2008 (Wils, P).
Gary
------------------------------------------------------ Gary Poyner FRAS garypoyner@gmail.com www.variablestars.co.uk