Occultation of 4UC 496-067568 by (33800) Gross on 2020-06-02 Green O+: Yves Argentin Optics: M305 | Method: VID | Duration: 1.28 0.06,43.14,0 Red O-: J.J. Castellani Optics: M400 | Method: VID | Duration: -0.04,43.62,0