Occultation of 4UC 391-075909 by (24022) 1999 RA144 on 2021-07-29 Green O+: Marcin Filipek Optics: M250 | Method: CCD | Duration: 1.60 19.75,50.21,0 Red O-: Leszek Benedyktowicz Optics: M203 | Method: CCD | Duration: 19.83,50.05,0 Red O-: Daniel Blazewicz Optics: M350 | Method: CCD | Duration: 20.32,49.99,0 Red O-: Jiri Kubanek Optics: M303 | Method: CCD | Duration: 13.75,49.74,0