Occultation of 3UC 188-049981 by (7875) 1991 ES1 on 2011-10-29 Red O-: Stefano Sposetti Optics: M400 | Method: VID | Duration: 9.02,46.23,0 Red O-: Paolo Corelli Optics: M450 | Method: CCD | Duration: 13.18,46.10,0