Occultation of 4UC 638-039963 by (1242) Zambesia on 2021-01-12 Green O+: J.J. Castellani Optics: M400 | Method: VID | Duration: 4.16 -0.04,43.62,0 Red O-: Antoni Selva Optics: M500 | Method: VID | Duration: 2.09,41.55,0 Red O-: Carles Schnabel Optics: M400 | Method: CCD | Duration: 1.87,41.49,0