{
  "bibcode": "2017GCN.20492....1K",
  "body": "S.Karpov, G.Beskin (SAO RAS and Kazan Federal University,\nRussia), S.Bondar, E.Ivanov, E.Katkova, A.Perkov (OJS RPC PSI,\nRussia), A.Biryukov (SAI MSU and Kazan Federal University,\nRussia), V.Sasyuk (Kazan Federal University, Russia)\n\nWe observed the sky area corresponding to 49% probability of initial LIB\nskymap for the advanced LIGO trigger G270580 with Mini-MegaTORTORA\nnine-channel wide-field monitoring system (located at Special Astrophysical\nObservatory near Russian 6-m telescope) between 2017-01-20 15:05:45 UT (2.6\nhours since trigger) and 2017-01-20 19:31:28 UT (7.0 hours since trigger)\nunder varying weather condition.\nObservations consisted of several pointings with 10 x 60 s unfiltered\nexposures each in every channel, covering roughly 900 square degrees\nsimultaneously. Image of the total sky coverage is available at\nhttp://mmt.favor2.info/scheduler/1436/lvc\nThe footprints of acquired images are uploaded to GraceDB.\n\nQuick-look analysis did not reveal any transient brighter than V~13.5\nmagnitude in the data.",
  "circularId": 20492,
  "createdOn": 1484962413000,
  "email": "karpov.sv@gmail.com",
  "subject": "LIGO/Virgo G270580: Mini-MegaTORTORA follow-up observations",
  "submitter": "Sergey Karpov at Special Astrophysical Obs  <karpov.sv@gmail.com>",
  "eventId": "LIGO/Virgo G270580"
}