Occultation of TYC 1869-00408-1 by (138) Tolosa on 2018-01-09 Red O-: Bernd Gaehrken Optics: M150 | Method: VID | Duration: 9.03,54.21,0 Red O-: Peter Enskonatus Optics: M200 | Method: CCD | Duration: 13.72,52.43,0 Yellow O?: Konrad Guhl Optics: L80 | Method: VID | Duration: 0.91 13.16,52.68,0