Occultation of 4UC 550-033329 by (1039) Sonneberga on 2021-10-08 Green O+: Antoni Selva Optics: M500 | Method: VID | Duration: 2.30 2.09,41.55,0 Green O+: Jordi Marco Optics: M235 | Method: CCD | Duration: 0.75 2.16,41.40,0