Occultation of 4UC 557-007766 by (554) Peraga on 2018-03-18 Red O-: Carlos Perello Optics: M500 | Method: VID | Duration: 2.09,41.55,0 Red O-: Carles Schnabel Optics: M400 | Method: CCD | Duration: 1.87,41.49,0