TITLE: GCN CIRCULAR NUMBER: 11245 SUBJECT: GRB 100906A: Observations at the Virtual Telescope DATE: 10/09/07 04:25:33 GMT FROM: Gianluca Masi at Bellatrix Astronomical Obs G. Masi (Bellatrix Astronomical Observatory, Italy) reports: The Virtual Telescope main instrument (0.36m-f/8.7) observed this GRB afterglow on Sept. 7, 2010 at 03:35 Universal Time. Unfiltered photometry, using R mags from USN0 B1.0 for the reference stars, provided a magnitude of 19.5, while the astrometry provided the following end figures: RA: 44.10s Decl.: 49.5" (J2000.0) in excellent agreement with UVOT finding (GCN 11227) This message can be cited.