Occultation of 4UC 558-016549 by (20718) 1999 XZ97 on 2018-10-09 Red O-: Simon Kidd Optics: M350 | Method: CCD | Duration: -0.06,51.95,0 Red O-: John Talbot Optics: M303 | Method: VID | Duration: -1.28,51.63,0 Red O-: Peter Tickner Optics: M300 | Method: CCD | Duration: -0.92,51.43,0 Red O-: Malcolm Jennings Optics: M276 | Method: VID | Duration: -0.07,51.32,0