Occultation of 4UC 620-003642 by (1437) Diomedes on 2020-12-07 Green O+: Henk De Groot Optics: M356 | Method: VID | Duration: 9.60 5.80,51.83,0 Red O-: Olivier Schreurs Optics: M280 | Method: VID | Duration: 5.56,50.64,0