Occultation of 2UC 25860399 by (511) Davida on 2011-04-12 Green O+: Vasilis Metallinos Optics: L130 | Method: VID | Duration: 36.18 19.86,39.82,0 Red O-: Gerhard Dangl Optics: M254 | Method: VID | Duration: 15.24,48.79,0