Occultation of TYC 0877-00634-1 by (505) Cava on 2006-04-21 Red O-: Michael Parl Optics: M203 | Method: VID | Duration: 11.66,48.12,0 Red O-: Eric Frappa Optics: M203 | Method: VID | Duration: 4.19,45.66,0