Occultation of 4UC 623-033270 by (325) Heidelberga on 2017-01-20 Red O-: Esdert Edens Optics: M250 | Method: VID | Duration: 5.16,52.63,0 Red O-: Jan-Maarten Winkel Optics: M310 | Method: VID | Duration: 6.26,51.90,0 Yellow O?: Bernd Gaehrken Optics: M279 | Method: VID | Duration: 0.64 11.45,48.15,0