Occultation of UCAC4 349-146773 by (850) Altona on 2026-08-15 Green O+: Deborah Smith Optics: M300 | Method: VID | Duration: 10.89 -2.54,37.11,0 Red O-: Deborah Smith Optics: M250 | Method: VID | Duration: -3.04,37.49,0