Occultation of HIP 23589 by (4821) Bianucci on 2002-01-15 Red O-: Hazel McGee Optics: M305 | Method: VIS | Duration: -0.51,51.27,0 Red O-: Patrick Degrelle Optics: M153 | Method: VIS | Duration: 2.59,50.45,0 Red O-: Emilian Skrzynecki Optics: M250 | Method: VIS | Duration: 21.77,49.68,0 Red O-: Jean Lecacheux Optics: M1050 | Method: CCD | Duration: 0.14,42.94,0