Occultation of 3UC 140-175145 by (1957) Angara on 2012-04-18 Red O-: Peter Lindner Optics: M305 | Method: VID | Duration: 14.28,51.45,0 Red O-: Gerhard Dangl Optics: M254 | Method: VID | Duration: 15.24,48.79,0