Occultation of 4UC 391-125809 by (909) Ulla on 2022-08-17 Green O+: Peter Nosal Optics: M250 | Method: CCD | Duration: 4.24 19.30,48.56,0 Red O-: Marcin Filipek Optics: M400 | Method: CCD | Duration: 19.75,50.21,0 Red O-: Daniel Blazewicz Optics: M350 | Method: CCD | Duration: 20.32,49.99,0