Occultation of TYC 4725-00913-1 by (2204) Lyyli on 2021-09-06 Green O+: Jiri Kubanek Optics: M303 | Method: CCD | Duration: 1.42 13.75,49.74,0 Red O-: Henk Bulder Optics: M305 | Method: VIS | Duration: 6.29,52.67,0 Red O-: Esdert Edens Optics: M250 | Method: CCD | Duration: 5.16,52.63,0 Red O-: Jiri Polak Optics: M303 | Method: CCD | Duration: 13.32,49.69,0