Occultation of 4UC 563-016974 by (38409) 1999 RK205 on 2017-11-19 Green O+: Stefano Sposetti Optics: M280 | Method: VID | Duration: 1.00 9.02,46.23,0 Red O-: C. Perello/A. Selva Optics: M500 | Method: VID | Duration: 2.09,41.55,0