Occultation of UCAC4 460-019993 by (211730) 2003 YR101 on 2025-12-07 Green O+: Antoni Selva, Carlos Perello Optics: M500 | Method: VID | Duration: 0.32 2.09,41.55,0 Red O-: Jordi Marco Optics: M235 | Method: CCD | Duration: 2.16,41.40,0