Occultation of TYC 2454-00544-1 by (769) Tatjana on 2001-01-15 Red O-: Oernulf Midtskogen Optics: M320 | Method: VIS | Duration: 10.29,59.82,0 Yellow O?: Jean Lecacheux Optics: M254 | Method: VIS | Duration: 4.50 2.23,48.80,0