Occultation of 4UC 411-052807 by (4164) Shilov on 2018-04-17 Green O+: Stefano Sposetti Optics: M280 | Method: VID | Duration: 0.94 9.02,46.23,0 Red O-: Jan-Maarten Winkel Optics: M310 | Method: VID | Duration: 6.26,51.90,0 Red O-: Henk De Groot Optics: M356 | Method: VID | Duration: 5.80,51.83,0 Red O-: Olivier Schreurs Optics: M406 | Method: VID | Duration: 5.44,50.52,0 Red O-: Oliver Kloes Optics: M254 | Method: VID | Duration: 8.36,50.14,0 Red O-: Alberto Ossola Optics: M230 | Method: VID | Duration: 8.92,46.00,0