Occultation of 4UC 505-039433 by (874) Rotraut on 2021-10-09 Green O+: Anna Marciniak Optics: M350 | Method: CCD | Duration: 2.88 16.04,52.60,0 Green O+: Christian Weber Optics: M150 | Method: CCD | Duration: 2.55 13.43,52.52,0 Red O-: Wojciech Burzynski Optics: M254 | Method: CCD | Duration: 23.53,53.21,0 Red O-: Maciej Borkowski Optics: M300 | Method: VID | Duration: 23.10,53.08,0