Occultation of 4UC 451-053495 by (1354) Botha on 2018-03-21 Green O+: Peter Tickner Optics: M300 | Method: CCD | Duration: 2.62 -0.92,51.43,0 Red O-: Roland Boninsegna Optics: M406 | Method: VID | Duration: 4.58,50.09,0