Occultation of 4UC 649-012438 by (54598) Bienor on 2017-10-19 Red O-: Roland Boninsegna Optics: M406 | Method: VID | Duration: 4.58,50.09,0 Red O-: Stefano Sposetti Optics: M280 | Method: VID | Duration: 9.02,46.23,0 Red O-: David Vizzoni Optics: M200 | Method: CCD | Duration: 10.27,43.95,0