Obs: Klaus Wenzel Wenigumstadt (Germany) Instr.: 406/1829mm und 317/1500mm Newton e-mail: wenzel.qso at t-online.de all observations are visual Object Date UT mag S5 0716+71 20110323.813 13.8 Mrk 421 20110323.823 12.2 SN 2011ao 20110323.844 13.6 Klaus Wenzel