Observer: Filipp Romanov (Russia). Remotely using 0.355-m f/6.2 Schmidt-Cassegrain telescope of Abbey Ridge Observatory (Canada): AT2022sfe 20230506.30035 12.532I RFD 0.003 AT2022sfe 20230506.29642 12.516I RFD 0.003 AT2022sfe 20230506.29249 12.521I RFD 0.003 AT2022sfe 20230323.25529 10.787I RFD 0.005 AT2022sfe 20230323.25135 10.803I RFD 0.006 AT2022sfe 20230323.24742 10.795I RFD 0.009 AT2022sfe 20230322.29458 10.793I RFD 0.002 AT2022sfe 20230322.29065 10.790I RFD 0.002 AT2022sfe 20230322.28671 10.787I RFD 0.002 AT2022sfe 20230313.28148 11.085I RFD 0.002 AT2022sfe 20230313.27756 11.080I RFD 0.002 AT2022sfe 20230313.27363 11.080I RFD 0.002