[vsnet-grb-info 25528] GRB 200422A: MASTER optical observations

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  27628
SUBJECT: GRB 200422A: MASTER optical observations
DATE:    20/04/22 22:52:54 GMT
FROM:    Vladimir Lipunov at Moscow State U/Krylov Obs  <lipunov at xray.sai.msu.ru>

V. Lipunov (Lomonosov MSU), D.Svinkin (Ioffe Institute), E. Gorbovskoy, 
V.Kornilov, P.Balanutsa,A.Kuznetsov,F.Balakin,V.Vladimirov, D. Vlasenko, I.Gorbunov, D.Zimnukhov, V.Senik, T.Pogrosheva,
D.Kuvshinov, V.Shumkov, N.Tiurina (Lomonosov Moscow State University, SAI, Physics Department),
A. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory),
R. Podesta, C.Lopez, F. Podesta, C.Francile(Observatorio Astronomico Felix Aguilar OAFA),
H. Levato(Instituto de Ciencias Astronomicas, de la Tierra y del Espacio ICATE),
R. Rebolo, M. Serra(The Instituto de Astrofisica de Canarias),
D. Buckley(South African Astronomical Observatory),
O.A. Gres, N.M. Budnev, O.Ershova (Irkutsk State University, API),
V. Yurkov, A. Gabovich, Yu. Sergienko(Blagoveschensk Educational State University)


MASTER-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru,
Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)
located in South Africa (South African Astronomical Observatory)
started inspect of long bright IPN GRB200422A (Hurley et al., GCN 27626, Ttrig=3030-04-22 07:22:16)
at 2020-04-22 19:45:16UT with mlim~20.5.

The observations began at zenith distance = 59 deg. The sun  altitude was -45 deg.

Real time updated cover map and OT discovered available here:
https://master.sai.msu.ru/site/master2/ligo_1.php?id=11505