{
  "bibcode": "2011GCN.12369....1O",
  "body": "Arto Oksanen (Hankasalmi Obs., Hankasalmi, Finland), Caisey Harlingten \n(Harlingten Observatory, San Pedro de Atacama, Chile), Bradley Schaefer \n(LSU), and Matthew Templeton (AAVSO) report the following follow-up \noptical observation of the error box of GRB 110918A (Hurley et al., GCN \nCirc. #12357):\n\nA. Oksanen (Hankasalmi Obs., Hankasalmi, Finland) reports an observation \nof the error box of the intense, long GRB 110918A (Hurley et al., GCNC \n#12357; Golonetskii, et al., GCNC #12362) using the Harlingten Observatory \n0.5-m Planewave telescope with Apogee Alta-U42D9 CCD located in San Pedro \nde Atacama, Chile.  Ten, 60-second unfiltered observations of the field \ncontaining the GRB error box were made; the coadded image has a midpoint \ntime of 2011 Sep 20 07:33 UT (JD 2455824.8146), approximately 34 hours \npost burst.  We find the point source detected by Mangano et al. (GCNC \n#12364) and Tanvir et al. (GCNC #12365) at a preliminary magnitude of \nR=19.0 measured relative to the nearby USNO-A2.0 star 0600-00854967 \n(B=18.8,R=17.7).\n\nCoadded images of the field are available at the following links:\n\nFITS: http://pilvi.dyndns.org/arto/GRB110918A_median.fit\n\nJPEG: http://pilvi.dyndns.org/arto/GRB110918A_median.jpg\n\n\nThe AAVSO International High Energy Network was made possible through \ngrants from the Charles Curry Foundation and from NASA, and is supported \nthrough the AAVSO Endowment.",
  "circularId": 12369,
  "createdOn": 1316536568000,
  "email": "matthewt@aavso.org",
  "subject": "GRB 110918A optical observation",
  "submitter": "AAVSO GRB Network at AAVSO  <matthewt@aavso.org>",
  "eventId": "GRB 110918A"
}