Occultation of 1B 745-220584857 by (50000) Quaoar on 2011-05-14 Red O-: Gerhard Dangl Optics: M254 | Method: CCD | Duration: 15.24,48.79,0 Red O-: W. Beisker/E. Hummel Optics: M620 | Method: CCD | Duration: 0.82,43.92,0 Red O-: R. Casas et al Optics: M500 | Method: CCD | Duration: 2.09,41.55,0 Red O-: Carles Schnabel Optics: M400 | Method: VID | Duration: 1.87,41.49,0 Red O-: V. Tsamis et al Optics: M400 | Method: CCD | Duration: 23.90,38.00,0