Occultation of UCAC4 592-037548 by (77772) 2001 QR9 on 2025-02-28 Green O+: Peter Nosal, Paula Libic Optics: M200 | Method: VID | Duration: 0.20 19.00,48.59,0 Red O-: Peter Delincak Optics: M400 | Method: VID | Duration: 18.70,49.40,0