Alert Notice 552: Gaia16aye microlensing event monitoring urgently requested

September 20, 2016 : Dr. Kirill Sokolovsky (National Observatory of Athens and Sternberg Astronomical Institute, Moscow State University), has requested AAVSO assistance in monitoring the ongoing microlensing event Gaia16aye beginning immediately to catch transient behavior occurring now and continuing through the end of October (or until further notice).