TITLE:   GCN CIRCULAR
NUMBER:  21435
SUBJECT: LIGO/Virgo G296853: MASTER follow up observations
DATE:    17/08/09 14:22:10 GMT
FROM:    Vladimir Lipunov at Moscow State U/Krylov Obs  <lipunov2007@gmail.com>

V.M.  Lipunov, E. Gorbovskoy, V.G.Kornilov, N.Tyurina, V.Shumkov, D.Kuvshinov, 
P.Balanutsa,  O.Gress, A.Kuznetsov, M.I.Panchenko, A.V.Krylov, I.Gorbunov
Lomonosov Moscow State University, Sternberg Astronomical Institute


R.Podesta, C.Lopez, F. Podesta
Observatorio Astronomico Felix Aguilar (OAFA) , National University of San
Juan, Argentina

H. Levato, C. Saffe
Instituto de Ciencias Astronomicas,de la Tierra y del Espacio (ICATE),
San Juan, Argentina

N.M. Budnev, O. Gress, K. Ivanov, S.Yazev
Irkutsk State University

V.Yurkov, Yu.Sergienko, A.Gabovich
Blagoveschensk Educational State University, Blagoveschensk

D.Buckley, S. Potter, M. Kotze,
  South African Astronomical Observatory

R. Rebolo, M. Serra-Ricart, G. Israelian, N.Lodiu
The Instituto de Astrofisica de Canarias

A. Tlatov, V.Sennik
Kislovodsk Solar Station of the Pulkovo Observatory

MASTER I  robotic telescope (MASTER-Net: http://observ.pereplet.ru) 
located in OAFA (Argentina) was starting survey on the LVC  G296853 
error-box   2548 sec after notice time and 5501 
sec after trigger time at 2017-08-09 10:00:02 UT. The 5-sigma upper limit 
on our first (180s exposure)  set is about 19.1 mag

The covering map will be available at GraceDB.

Object: Altitude: 71.13 Azimuth: 124.74

Sun: Altitude: -16.84 Azimuth: 261.53

Moon: Altitude: 30.34 Azimuth: 96.86

The object can be observed till sunrise at 2017-08-09 11:19:18 UT.