Obs: Klaus Wenzel Wenigumstadt (Germany) Instr.: 317/1500mm Newton e-mail: wenzel.qso at t-online.de all observations are visual Object Date UT mag SN 2011by 20110509.861 12.6 CrB R 20110509.865 12.9 Her HZ 20110509.892 13.3 AGN's Mrk 421 20110509.858 12.5 PG 1553+11 20110509.910 14.0 Klaus Wenzel