Occultation of 4UC 523-144769 by (208536) 2001 YF151 on 2022-07-16 Green O+: Roland Boninsegna Optics: M400 | Method: VID | Duration: 0.34 4.58,50.09,0 Red O-: Oliver Kloes Optics: M254 | Method: CCD | Duration: 8.36,50.14,0 Red O-: Friedhelm Huebner Optics: M250 | Method: CCD | Duration: 7.87,50.06,0 Red O-: Jiri Kubanek Optics: M303 | Method: CCD | Duration: 13.75,49.74,0