Occultation of 4UC 461-035994 by (497619) 2006 QL39 on 2018-11-17 Red O-: Roland Boninsegna Optics: M406 | Method: VID | Duration: 4.58,50.09,0 Red O-: Bjoern Kattentidt Optics: M279 | Method: VID | Duration: 12.22,48.99,0