Occultation of 4UC 461-003255 by (304) Olga on 2020-03-18 Green O+: Stefan Meister Optics: M500 | Method: CCD | Duration: 1.13 8.57,47.52,0 Green O+: Lionel Rousselot Optics: M250 | Method: CCD | Duration: 1.40 2.05,47.22,0 Green O+: Pierre Le Cam Optics: M250 | Method: CCD | Duration: 1.75 0.79,46.93,0