Occultation of 4UC 413-076941 by (256) Walpurga on 2022-08-28 Green O+: Olivier Schreurs Optics: M406 | Method: VID | Duration: 6.20 5.44,50.52,0 Red O-: Jan-Maarten Winkel Optics: M356 | Method: VID | Duration: 6.26,51.90,0 Red O-: Roland Boninsegna Optics: M400 | Method: VID | Duration: 4.58,50.09,0