Occultation of TYC 1260-00900-1 by (211) Isolda on 2017-12-11 Green O+: Karel Halir Optics: M507 | Method: VID | Duration: 15.80 13.60,49.75,0 Green O+: Jiri Kubanek Optics: M203 | Method: VID | Duration: 16.00 13.75,49.74,0