Occultation of 4UC 522-049212 by (334) Chicago on 2019-02-12 Green O+: Simon Kidd Optics: M350 | Method: CCD | Duration: 12.39 -0.06,51.95,0 Green O+: Jan-Maarten Winkel Optics: M310 | Method: VID | Duration: 10.52 6.26,51.90,0 Green O+: Henk De Groot Optics: M356 | Method: VID | Duration: 11.68 5.80,51.83,0 Green O+: Philip Denyer Optics: M235 | Method: VID | Duration: 9.76 0.19,51.55,0 Green O+: Tim Haymes Optics: M300 | Method: VID | Duration: 7.68 -0.81,51.51,0 Green O+: Peter Tickner Optics: M356 | Method: CCD | Duration: 4.99 -0.92,51.43,0 Green O+: Malcolm Jennings Optics: M276 | Method: VID | Duration: 3.20 -0.07,51.32,0 Green O+: Chad Ellington Optics: M250 | Method: VID | Duration: 9.70 5.93,51.03,0 Green O+: Jiri Kubanek Optics: M203 | Method: VID | Duration: 12.80 15.38,50.18,0 Green O+: Jan Manek Optics: M205 | Method: CCD | Duration: 10.53 14.78,49.91,0 Green O+: Michel Turchenko Optics: M150 | Method: CCD | Duration: 12.10 42.67,43.74,0 Red O-: O. Schreurs et al Optics: M280 | Method: VID | Duration: 5.56,50.64,0 Red O-: Oliver Kloes Optics: M254 | Method: VID | Duration: 8.36,50.14,0 Red O-: Roland Boninsegna Optics: M406 | Method: VID | Duration: 4.58,50.09,0 Red O-: Stefano Sposetti Optics: M280 | Method: VID | Duration: 9.02,46.23,0