Occultation of 2UC 43432380 by (54) Alexandra on 2011-11-21 Green O+: Jean Lecacheux Optics: M1020 | Method: VID | Duration: 19.57 2.23,48.81,0 Red O-: Maurice Audejean Optics: M320 | Method: CCD | Duration: 0.28,47.17,0 Red O-: Stefano Sposetti Optics: M400 | Method: VID | Duration: 9.02,46.23,0