Occultation of 4UC 538-023897 by (52) Europa on 2020-09-09 Green O+: Michel Turchenko Optics: L80 | Method: CCD | Duration: 9.49 33.37,45.19,0 Green O+: Daniel Bertesteanu Optics: M200 | Method: CCD | Duration: 13.03 27.34,44.76,0 Green O+: Ivaylo Dinev Optics: M254 | Method: CCD | Duration: 11.42 27.27,44.11,0 Red O-: Dariusz Miller Optics: M202 | Method: VIS | Duration: 21.16,52.24,0