Occultation of HIP 7611 by (49381) 1998 XX4 on 2013-09-02 Red O-: Jose De Queiroz Optics: M900 | Method: VID | Duration: 9.22,46.80,0 Red O-: Stefano Sposetti Optics: M280 | Method: VID | Duration: 9.02,46.23,0 Yellow O?: Henk Bulder Optics: M305 | Method: VIS | Duration: 0.80 6.88,52.94,0