Occultation of 4UC 457-104952 by (11921) Mitamasahiro on 2022-08-09 Green O+: Jiri Kubanek Optics: M303 | Method: CCD | Duration: 0.50 13.75,49.74,0 Green O+: Jiri Polak Optics: M303 | Method: CCD | Duration: 0.60 13.32,49.69,0