Occultation of TYC 4820-00073-1 by (391) Ingeborg on 2018-11-07 Red O-: O. Schreurs et al Optics: M406 | Method: VID | Duration: 5.44,50.52,0 Red O-: Roland Boninsegna Optics: M406 | Method: VID | Duration: 4.58,50.09,0