Occultation of UCAC4 540-029517 by (420) Bertholda on 2024-12-23 Green O+: Stefano Sposetti Optics: M420 | Method: VID | Duration: 8.94 9.02,46.23,0 Green O+: Andrea Manna Optics: M200 | Method: VID | Duration: 9.50 8.92,46.18,0 Green O+: Alberto Ossola Optics: M230 | Method: VID | Duration: 9.78 8.92,46.00,0