MN Lac likely superoutburst Supercycle about 200 d. YYYYMMDD(UT) mag observer 20171127.435 <162c (Mitsutaka Hiraga) 20171127.5704 <158c (Yutaka Maeda) 20171130.501 160c (Mitsutaka Hiraga) 20171203.519 157c (Mitsutaka Hiraga)