TITLE:   GCN CIRCULAR
NUMBER:  23727
SUBJECT: GRB 190114C: Mondy optical observations
DATE:    19/01/15 23:01:32 GMT
FROM:    Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>

E. Mazaeva (IKI),   E. Klunko (ISTP),  A. Pozanenko (IKI), A. Volnova (IKI), 
S. Belkin (IKI)  report   on behalf of IKI-FuN:

We observed the field of localization of  GRB 190114C  (Gropp   et al.  GCN 
23688)    with AZT-33IK telescope of Sayan observatory
(Mondy).   We started observations on Jan. 15 (UT) 12:35:00. We do not 
detect  the optical afterglow (Gropp et al., GCN 23688; Tyurina
et al., GCN 23690, de Ugarte Postigo et al., GCN 23692, Lipunov et al. GCN 
23693, Selsing et al. GCN 23695, Izzo et al. GCN 23699, Bolmer et al. GCN 
23702, Castro-Tirado et al. GCN 23708, Kann et al. GCN 23710; Im  et al. GCN 
23717; Siegel  et al. GCN  23725). Preliminary
photometry of the field is following.

Date               UT start      t-T0          Filter Exp.   OT     Err. 
UL(3sigma)
                                           (mid, days)      (s)

2019-01-15  12:35:00   1.39354     R      300      n/d     n/d   19.8

The photometry is based on nearby PanSTARRS  stars.