Occultation of 4UC 430-068563 by (37286) 2000 YL101 on 2020-05-31 Green O+: William Stewart Optics: M279 | Method: VID | Duration: 0.64 -2.57,53.06,0 Red O-: John Talbot Optics: M303 | Method: VID | Duration: -1.28,51.63,0