Occultation of 4UC 578-033881 by (6568) Serendip on 2017-02-13 Red O-: Peter Lindner Optics: M305 | Method: VID | Duration: 14.28,51.45,0 Red O-: Jiri Polak Optics: M303 | Method: VID | Duration: 13.32,49.69,0 Red O-: Bjoern Kattentidt Optics: M279 | Method: VID | Duration: 12.22,48.99,0