Occultation of TYC 1438-01732-1 by (3230) Vampilov on 2020-11-18 Green O+: Gerard Vaudescal Optics: M254 | Method: CCD | Duration: 0.76 -0.01,43.21,0 Red O-: J.J. Castellani Optics: M400 | Method: VID | Duration: -0.04,43.62,0