Occultation of UCAC4 556-029809 by (420) Bertholda on 2024-09-17 Green O+: Oscar Canales Optics: M280 | Method: CCD | Duration: 2.15 -0.95,41.62,0 Green O+: Carles Schnabel Optics: M400 | Method: VID | Duration: 3.20 1.87,41.49,0