Occultation of HIP 28558 by (1309) Hyperborea on 2012-11-24 Green O+: Serhiy Vorobyov Optics: M200 | Method: VIS | Duration: 3.96 31.88,51.63,0 Green O+: Stefano Sposetti Optics: M400 | Method: VID | Duration: 2.60 9.02,46.23,0 Green O+: Alberto Ossola Optics: M230 | Method: VID | Duration: 6.32 8.92,46.00,0 Red O-: Jose De Queiroz Optics: M900 | Method: VID | Duration: 9.22,46.80,0