Occultation of 4UC 470-005878 by (19278) 1995 YN on 2021-11-25 Green O+: Peter Delincak Optics: M400 | Method: CCD | Duration: 0.40 18.70,49.40,0 Red O-: William Stewart Optics: M279 | Method: VID | Duration: -2.57,53.06,0