Occultation of 4UC 503-023152 by (999) Zachia on 2022-02-06 Green O+: Carles Schnabel Optics: M400 | Method: VID | Duration: 2.64 1.87,41.49,0 Green O+: Jordi Marco Optics: M235 | Method: CCD | Duration: 2.45 2.16,41.40,0