Occultation of 4UC 671-032159 by (189256) 2004 UV4 on 2020-09-13 Green O+: Olivier Schreurs Optics: M280 | Method: VID | Duration: 0.64 5.56,50.64,0 Red O-: C. Perello/A. Selva Optics: M500 | Method: VID | Duration: 2.09,41.55,0