Occultation of 4UC 308-165463 by (6557) Yokonomura on 2022-04-16 Green O+: Simon Kidd Optics: M350 | Method: CCD | Duration: 4.47 -0.06,51.95,0 Red O-: Pierre Le Cam Optics: M250 | Method: CCD | Duration: 0.79,46.93,0