ASASSN-14dw: likely precursor and superoutburst (SU UMa-type) YYYYMMDD(UT) mag observer 20160203.333 13.94V (ASAS-SN survey) 20160203.335 14.00V (ASAS-SN survey) 20160204.562 156 (Rod Stubbings) 20160209.560 140 (Rod Stubbings)