Occultation of TYC 1209-01621-1 by (312) Pierretta on 2012-11-11 Red O-: Vladimir Belousov Optics: L125 | Method: CCD | Duration: 40.58,49.53,0 Red O-: Christophe Ratinaud Optics: M305 | Method: VIS | Duration: -2.54,48.43,0