Occultation of UCAC4 374-139719 by (31829) 1999 XT12 on 2023-07-07 Red O-: Daniel Blazewicz Optics: M350 | Method: CCD | Duration: 20.32,49.99,0 Red O-: Peter Delincak Optics: M400 | Method: VID | Duration: 18.70,49.40,0