Obs: Klaus Wenzel Wenigumstadt (Germany) Instr.: 200/1200mm; 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 20110423.872 14.0 Mrk 421 20110423.878 12.5 NGC 5548 20110423.885 13.6 3C273 20110423.889 12.9 NSV 5637 20110423.896 15.2 (= KUG 1226+285) Klaus Wenzel