GCN Circular 31628
V. Kim (FAI, HSE), A. Pozanenko (IKI), M. Krugov (FAI), I. Reva (FAI), N. Pankov (HSE, IKI), S. Belkin (IKI) report on behalf of GRB IKI FuN: We observed ZTF22aabjpxh/AT2022cva transient (Ho et al., GCN 31619) what is considered the likely afterglow of GRB 220219B (Ho et al., GCN 31619; Svinkin et al., GCN 31624) with AZT-20 telescope of Assy-Turgen observatory starting on 2022-02-21 (UT) 19:44:30. We clearly detect the SDSS galaxy at photo_z = 0.248 (Ho et al., GCN 31619). Due to non-optimal seeing (FWHM of about 2.4") we could not discriminate the afterglow source from the galaxy. We use aperture photometry and preliminary photometry (AB) of a source (afterglow+host galaxy) is following Date UT start JD Exp. Filter OT Err. UL(3sigma) (mid, days) (s) 2022-02-21 19:44:30 2459632.327 40*60 r' 19.20 0.03 22.1 2022-02-21 21:57:59 2459632.416 40*60 r' 19.45 0.02 22.7 The photometry is based on nearby PS1 stars id r J160337.10+311328.5 16.987 J160343.10+311452.9 18.700 The photometry of the the source is brighter than reported either in PS1 or SDSS DR12, and source is variable. We can conclude that the afterglow is detected and dominate over host galaxy brightness.