Occultation of UCAC4 523-027294 by (687170) 2011 QF99 on 2025-10-31 Green O+: Daniel Blazewicz Optics: M350 | Method: VID | Duration: 0.40 20.32,49.99,0 Red O-: Tomas Janik Optics: T600 | Method: CCD | Duration: 13.85,50.64,0 Red O-: Martin Gutekunst Optics: L280 | Method: VID | Duration: 11.20,47.80,0