Occultation of 4UC 581-011811 by (212) Medea on 2022-01-21 Green O+: Alex Pratt Optics: M279 | Method: VID | Duration: 37.12 -1.61,53.84,0 Green O+: Mark Fairfax Optics: V112 | Method: CCD | Duration: 59.75 -0.77,53.05,0 Green O+: Jesus Delgado Optics: M280 | Method: CCD | Duration: 58.56 -6.03,37.40,0 Red O-: Simon Kidd Optics: M350 | Method: CCD | Duration: -0.06,51.95,0 Red O-: Faustino Garcia Optics: M250 | Method: CCD | Duration: -6.39,43.47,0