Occultation of TYC 0638-00660-1 by (154) Bertha on 2017-10-23 Green O+: Stefano Sposetti Optics: M280 | Method: VID | Duration: 11.29 9.02,46.23,0 Green O+: Andrea Manna Optics: M200 | Method: VID | Duration: 11.25 8.92,46.18,0 Green O+: Alberto Ossola Optics: M230 | Method: VID | Duration: 10.78 8.92,46.00,0 Green O+: Fausto Delucchi Optics: M300 | Method: VIS | Duration: 10.31 8.94,45.96,0 Green O+: Steve Messner Optics: M200 | Method: VID | Duration: 3.29 -93.29,44.03,0 Green O+: R. Bush/J. Bean Optics: M356 | Method: VID | Duration: 10.22 -119.80,39.19,0 Green O+: Jerry Bardecker Optics: M203 | Method: VID | Duration: 8.40 -119.67,38.89,0 Green O+: Ted Swift Optics: M200 | Method: VID | Duration: 9.27 -121.79,38.55,0 Red O-: Pietro Baruffetti Optics: M200 | Method: VID | Duration: 10.13,44.02,0 Red O-: Steve Messner Optics: M150 | Method: VID | Duration: -93.34,43.89,0 Red O-: E. Frappa/A. Klotz Optics: M250 | Method: CCD | Duration: 6.92,43.75,0 Red O-: Richard Nolthenius Optics: M203 | Method: VID | Duration: -122.51,37.52,0