Occultation of UCAC4 437-104810 by (1136) Mercedes on 2023-08-04 Red O-: Wojciech Burzynski Optics: M254 | Method: VID | Duration: 23.53,53.21,0 Red O-: Daniel Antuszewicz Optics: M200 | Method: VID | Duration: 20.90,52.38,0