MKN421 recent (cont'd) YYYYMMDD(UT) mag observer 20011221.205 137 (Pavol A. Dubovsky) 20011222.064 130 (Gary Poyner) 20011231.981 129 (Gary Poyner) 20020102.021 130 (Gary Poyner) 20020104.872 133 (Hitoshi Itoh) 20020107.955 132 (Jose Ripero) 20020110.353 139 (Mike Simonsen) 20020110.969 132 (Jose Ripero)