TITLE:   GCN CIRCULAR
NUMBER:  31652
SUBJECT: ZTF22aaajecp/AT2022cmc: Mondy optical observations
DATE:    22/02/25 23:06:07 GMT
FROM:    Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>

N. Pankov (HSE),  A. Pozanenko (IKI), E. Klunko (ISTP), S. Belkin (IKI), 
  report on behalf of GRB IKI FuN:

We observed the optical transient of  ZTF22aaajecp/AT2022cmc  (Andreoni 
et al., GCN 31590) with AZT-33 telescope of Mondy observatory starting 
on Feb. 24 (UT) 18:51:38. We detect the transient (Andreoni et al., GCN 
31590; Kumar et al., GCN 31597; Pankov et al., GCNs 31593, 31625; 
Perley, GCN 31594; Lipunov et al., GCN 31600; Kann   et al., GCN 31626; 
Yao et al., GCN 3164; Freeburn et al., GCN 31647) at the redshift of 
z=1.193  (Tanvir  et al., GCN 31602; Lundquist et al., GCN 31612).

Preliminary photometry of the transient is following

Date       UT start   MJD     Filter Exp.    OT    Err.  UL(3sigma)
                       (mid, days)    (s)
2022-02-24 18:51:38   59634.817 R    45*120  21.10  0.07  23.1


The photometry is based on the nearby SDSS-DR12 stars
R.A. Dec R(Lupton transformations)
203.7398307 33.1702037 17.794
203.7684775 33.1572431 17.347