Occultation of 4UC 633-017665 by (2892) Filipenko on 2022-02-28 Green O+: Chad Ellington Optics: M250 | Method: VID | Duration: 2.80 5.93,51.03,0 Green O+: Oliver Kloes Optics: M254 | Method: CCD | Duration: 3.20 8.36,50.14,0 Red O-: Henk De Groot Optics: M356 | Method: VID | Duration: 5.80,51.83,0