Occultation of 4UC 604-041804 by (19665) 1999 RT137 on 2021-11-03 Green O+: Simon Kidd Optics: M350 | Method: CCD | Duration: 1.74 -0.06,51.95,0 Red O-: Tim Haymes Optics: M280 | Method: CCD | Duration: -1.31,51.93,0