{
  "bibcode": "2021GCN.30216....1P",
  "body": "D. A. Perley (LJMU) reports:\n\nThe 2m robotic Liverpool Telescope observed the location of the optical \nafterglow of GRB 210610B (Page et al., GCN 30170) using the IO:O camera \non 2021-06-11 UT between 22:45:44 and 22:55:45.  Photometry with \nreference to SDSS secondary standard stars in the field gives the \nfollowing magnitudes:\n\ndt_GRB(d) magnitude\n1.12521   u = 20.43 +/- 0.11\n1.12103   g = 20.04 +/- 0.05\n1.12244   r = 19.81 +/- 0.02\n1.12383   i = 19.61 +/- 0.03\n1.12694   z = 19.49 +/- 0.06\n\n\n\n\n\n\n\nDisclaimerNone",
  "circularId": 30216,
  "createdOn": 1623454069000,
  "email": "d.a.perley@ljmu.ac.uk",
  "subject": "GRB 210610B: Liverpool Telescope optical photometry",
  "submitter": "Daniel Perley at Liverpool JMU  <d.a.perley@ljmu.ac.uk>",
  "eventId": "GRB 210610B"
}