Occultation of UCAC4 605-015688 by (539796) 2017 BB56 on 2026-09-23 Red O-: Andreas Schweizer Optics: M250 | Method: VID | Duration: 8.47,47.34,0 Red O-: Oscar Canales Optics: M200 | Method: CCD | Duration: -0.95,41.62,0