Occultation of 4UC 457-044095 by (1400) Tirela on 2021-04-15 Green O+: Stefan Meister Optics: M500 | Method: CCD | Duration: 0.61 8.57,47.52,0 Yellow O?: Bjoern Kattentidt Optics: M279 | Method: VID | Duration: 1.01 12.22,48.99,0