Occultation of TYC 5250-00637-1 by (4462) Vaughan on 2018-08-06 Red O-: Jiri Kubanek Optics: M203 | Method: VID | Duration: 13.75,49.74,0 Red O-: Michal Rottenborn Optics: M303 | Method: VID | Duration: 13.33,49.71,0