Maehara-san reports that the blazar 3C 454.3 is undergoing an outburst (1.2 mag (V) brighter than on 2006 Sep 23). YYYYMMDD(UT) mag observer 20070727.669 <144 (Yutaka Maeda) 20070727.762 13.52Ic (Hiroyuki Maehara) 20070727.764 14.03Rc (Hiroyuki Maehara) 20070727.766 14.61V (Hiroyuki Maehara)