Occultation of 4UC 509-145151 by (10259) Osipovyurij on 2022-09-11 Green O+: Roland Boninsegna Optics: M400 | Method: VID | Duration: 1.44 4.58,50.09,0 Red O-: Olivier Schreurs Optics: M254 | Method: VID | Duration: 5.56,50.64,0