Occultation of 4UC 521-005077 by (877) Walkure on 2022-03-12 Green O+: Peter Delincak Optics: M400 | Method: CCD | Duration: 1.13 18.70,49.40,0 Green O+: Marian Urbanik Optics: M400 | Method: CCD | Duration: 0.48 18.77,49.31,0