Occultation of 4UC 519-012407 by (313) Chaldaea on 2020-08-26 Green O+: Marek Harman Optics: M356 | Method: CCD | Duration: 2.99 19.15,48.72,0 Red O-: Peter Delincak Optics: M400 | Method: CCD | Duration: 18.70,49.40,0