Occultation of UCAC4 408-141709 by (28240) 1999 AP21 on 2024-08-16 Green O+: Leszek Benedyktowicz Optics: M200 | Method: VID | Duration: 1.03 19.78,50.07,0 Red O-: Marcin Filipek Optics: M250 | Method: VID | Duration: 19.75,50.21,0