Occultation of UCAC4 509-060587 by (76312) 2000 ER138 on 2023-05-29 Red O-: Simon Kidd Optics: M350 | Method: VID | Duration: -0.06,51.95,0 Red O-: Peter Tickner Optics: M356 | Method: VID | Duration: -0.92,51.43,0