Occultation of 4UC 584-039811 by (20899) 2000 XB3 on 2017-11-24 Red O-: John Talbot Optics: M303 | Method: VID | Duration: -1.28,51.63,0 Red O-: Tim Haymes Optics: M300 | Method: VID | Duration: -0.82,51.51,0