Occultation of TYC 1897-00304-1 by (33) Polyhymnia on 2006-01-04 Red O-: Tim Haymes Optics: M203 | Method: VIS | Duration: -0.81,51.51,0 Red O-: Roger Dymock Optics: M250 | Method: VIS | Duration: -1.04,50.90,0 Red O-: I. Mhitarov et al Optics: M254 | Method: WEB | Duration: 39.03,45.02,0