Occultation of 4UC 689-040474 by (372) Palma on 2017-09-10 Green O+: Henk De Groot Optics: M356 | Method: VID | Duration: 2.33 5.80,51.83,0 Red O-: Jan-Maarten Winkel Optics: M310 | Method: VID | Duration: 6.26,51.90,0