Occultation of PPM 153989 by (386) Siegena on 1997-02-26 Green O+: Jan Manek Optics: M350 | Method: VIS | Duration: 1.48 14.40,50.08,0 Red O-: Oernulf Midtskogen Optics: M320 | Method: VIS | Duration: 10.29,59.82,0 Red O-: Jerzy Speil Optics: B80 | Method: VIS | Duration: 16.29,50.84,0 Red O-: Karel Halir Optics: L100 | Method: VIS | Duration: 13.58,49.74,0 Red O-: Olivier Gadal Optics: M410 | Method: CCD | Duration: 2.14,43.07,0