{
  "bibcode": "2008GCN..8368....1T",
  "body": "F. Terra (Second University of Roma \"Tor Vergata\"),  F. Munz (INAF/IASF\n    Bologna) G. Greco, C. Bartolini, A. Guarnieri,A. Piccioni (Bologna\n    University), D. Nanni (INAF/OAR and Second University of Rome \"Tor\n    Vergata\"), G. Pizzichini(INAF/IASF Bologna),  S. Galetti and S. Bernabei\n    (Bologna Observatory) report:\n\n    During the night between 08/04/30 and 080501 we observed the OT of\n    GRB080430 (Guidorzi et al., GCN 7647, Klotz, Boer & Atteia, GCN 7646)\n    in Rc, V, B AND I  with the 1.52  cm telescope of the Bologna Observatory\n    in Loiano in good weather conditons, airmass  between 1 and 1.6,\n    seeing less than 4\".\n    Calibration was obtained from the NOMAD catalog in the Rc filter and from\n    the SDSS observations by Cool et al. in GCN 7649 for the other filters.\n    We obtain the following magnitudes\n    obs midpoint      duration filter mag   error\n                       seconds\n    2454587.40325        600     Rc  19,47  0,11\n    2454587.41120        600     V   19,20  0.12\n    2454587.42067        600     Rc  19,75  0,11\n    2454587.43274       1200     B   19,54  0,12\n    2454587.44788        600     Rc  19,60  0,15\n    2454587.45720        600     I   19,03  0,05\n    2454587.46673        600     Rc  19,75  0,11\n    2454587.47927        600     V   19,44  0,12\n    2454587.48806        600     Rc  19,96  0,10\n    2454587.51098        600     Rc  20,28  0,09\n    2454587.52303        600     Rc  20,01  0,09\n    2454587.53175        600     Rc  20,27  0,15\n    2454587.53946        600     I   19,14  0,06\n    2454587.54819        600     Rc  20,53  0,10\n\n    Our  images have been posted in our public directory\n    from where they can be retrieved by sftp using\n    hostname: ermione.bo.astro.it\n    username: publicGRB\n    password: GRB_bo\n    directory: /home/publicGRB/GRB080430/",
  "circularId": 8368,
  "createdOn": 1223912376000,
  "email": "pizzichini@iasfbo.inaf.it",
  "subject": "GRB 080430: optical observations",
  "submitter": "Graziella Pizzichini at IASF/CNR,Bologna  <pizzichini@iasfbo.inaf.it>",
  "eventId": "GRB 080430"
}