Occultation of UCAC4 531-020207 by (4711) Kathy on 2023-12-23 Red O-: Faustino Garcia Optics: T250 | Method: VID | Duration: -6.39,43.47,0 Red O-: Jordi Marco Optics: M235 | Method: CCD | Duration: 2.16,41.40,0