Occultation of 4UC 403-052356 by (409) Aspasia on 2021-04-02 Green O+: Michael OConnell Optics: M355 | Method: VID | Duration: 19.66 -7.04,53.14,0 Green O+: Dorian Cazeneuve Optics: V112 | Method: CCD | Duration: 16.56 0.68,43.85,0 Green O+: J.J. Castellani Optics: M400 | Method: VID | Duration: 19.42 -0.04,43.62,0 Green O+: Michel Boutet Optics: M300 | Method: VID | Duration: 12.22 1.29,43.50,0 Green O+: Jacques Sanchez Optics: M355 | Method: VID | Duration: 14.39 1.29,43.24,0 Green O+: Gerard Vaudescal Optics: M254 | Method: CCD | Duration: 18.70 -0.01,43.21,0