Occultation of 4UC 553-019591 by (4213) Njord on 2022-02-23 Green O+: Jiri Kubanek Optics: M303 | Method: CCD | Duration: 0.46 13.75,49.74,0 Green O+: Michal Rottenborn Optics: M254 | Method: CCD | Duration: 1.34 13.33,49.71,0 Red O-: Karel Halir Optics: M507 | Method: VID | Duration: 13.60,49.75,0 Yellow O?: Michal Rottenborn Optics: M254 | Method: CCD | Duration: 0.30 13.33,49.71,0