Occultation of TYC 0688-00862-1 by (585) Bilkis on 2003-12-11 Green O+: J.R. Stapleton Optics: M305 | Method: CCD | Duration: 3.50 -2.83,56.34,0 Red O-: Jon Harper Optics: M280 | Method: VIS | Duration: -0.69,54.28,0