Occultation of TYC 1205-00784-1 by (678) Fredegundis on 2019-07-23 Green O+: Petr Zeleny Optics: M254 | Method: CCD | Duration: 2.34 17.97,49.46,0 Red O-: Jiri Kubanek Optics: M203 | Method: VID | Duration: 16.02,48.60,0