Occultation of TYC 2447-00820-1 by (829) Academia on 2008-12-29 Green O+: E. Frappa/A. Klotz Optics: M250 | Method: CCD | Duration: 4.07 6.92,43.75,0 Red O-: Jean Lecacheux Optics: M212 | Method: VID | Duration: -0.40,49.18,0