Occultation of 3UC 223-048068 by (523) Ada on 2011-03-28 Red O-: Harrie Rutten Optics: M356 | Method: VID | Duration: 6.18,51.48,0 Red O-: Gerhard Dangl Optics: M254 | Method: VID | Duration: 15.24,48.79,0