{
  "bibcode": "2004GCN..2581....1Q",
  "body": "Y.Qiu and J.Hu (NAOC) report:\n\nWe observed the erro box of GRB040422 with the 0.8 m telescope at  Xinglong\nObservatory, National Astronomical Observatories of China, at 18.24 UT April \n22.\n\nFour unfiltered images  were taken with exposure time 300s. Comparing with\nDSS-II image, we couldn't find any new source in the combined image.\nThe limiting magnitude of the combined image is about 20.0.\n\nThis message may be cited.",
  "circularId": 2581,
  "createdOn": 1082915722000,
  "email": "qiuyl@ns.bao.ac.cn",
  "subject": "GRB040422: optical observations at Xinglong Observatory",
  "submitter": "Yulei Qiu at Nat.Astro.Obs.of China  <qiuyl@ns.bao.ac.cn>",
  "eventId": "GRB 040422"
}