Occultation of 4UC 501-012393 by (3631) Sigyn on 2019-02-25 Green O+: Stefano Sposetti Optics: M280 | Method: VID | Duration: 2.56 9.02,46.23,0 Green O+: Andrea Manna Optics: M200 | Method: VID | Duration: 2.56 8.92,46.18,0 Green O+: Joan Rovira Optics: M200 | Method: VID | Duration: 2.76 2.10,41.82,0 Green O+: Carles Schnabel Optics: M400 | Method: VID | Duration: 4.80 1.87,41.49,0 Red O-: Andreas Tazreiter Optics: M406 | Method: VID | Duration: 14.73,47.90,0