Occultation of 4UC 677-042617 by (1000) Piazzia on 2022-12-20 Green O+: Simon Kidd Optics: M350 | Method: CCD | Duration: 3.84 -0.06,51.95,0 Green O+: Derrick Ward Optics: M200 | Method: CCD | Duration: 1.81 -1.76,51.56,0 Red O-: Philip Denyer Optics: M235 | Method: VID | Duration: 0.19,51.55,0