Occultation of TYC 0231-01272-1 by (1724) Vladimir on 2012-01-16 Red O-: Stefano Sposetti Optics: M400 | Method: VID | Duration: 9.02,46.23,0 Red O-: Michele Bigi Optics: M200 | Method: VID | Duration: 10.05,44.04,0