{
  "bibcode": "2007GCN..6278....1B",
  "body": "E. Berger (Carnegie), M. Modjaz, A. Garg, R. Kirshner, P. Challis \n(Harvard), and A. Rest (NOAO) report:\n\n\"We obtained a 60 sec image in r-band with the LDSS3 instrument on the \nMagellan/Clay telescope on 2007 Apr 12.03 UT (4.57 hr after the burst). We \ndetect the afterglow with r=20.8 mag relative to the USNO-B star located \nat RA=07:09:17.9453, DEC=+01:04:09.210 with R=17.6 mag.\"",
  "circularId": 6278,
  "createdOn": 1176350759000,
  "email": "eberger@ociw.edu",
  "subject": "GRB 070411: Magellan/Clay photometry",
  "submitter": "Edo Berger at Carnegie Obs  <eberger@ociw.edu>",
  "eventId": "GRB 070411"
}