Observer: Filipp Romanov (Russia).
Remotely using 0.61-m f/6.5 corrected Dall-Kirkham telescope of Burke-Gaffney Observatory (Canada):
OPHRS 20220418.28279 12.565B RFD 0.016 OPHRS 20220418.28200 12.590B RFD 0.012 OPHRS 20220418.28121 12.605B RFD 0.011 OPHRS 20220418.28043 12.667B RFD 0.014 OPHRS 20220418.27964 12.635B RFD 0.015 OPHRS 20220418.27885 12.597B RFD 0.014 OPHRS 20220418.27807 12.621B RFD 0.015 OPHRS 20220418.27728 12.637B RFD 0.014 OPHRS 20220418.27649 12.622B RFD 0.011 OPHRS 20220418.27569 12.619B RFD 0.014 OPHRS 20220418.27491 12.621B RFD 0.011 OPHRS 20220418.27412 12.632B RFD 0.011 OPHRS 20220418.27333 12.613B RFD 0.014 OPHRS 20220418.27255 12.592B RFD 0.017 OPHRS 20220418.27176 12.622B RFD 0.012 OPHRS 20220418.27097 12.648B RFD 0.013 OPHRS 20220418.27018 12.681B RFD 0.017 OPHRS 20220418.26940 12.666B RFD 0.012 OPHRS 20220418.26861 12.671B RFD 0.012 OPHRS 20220418.26782 12.698B RFD 0.013 OPHRS 20220418.26702 12.666B RFD 0.012 OPHRS 20220418.26624 12.673B RFD 0.017 OPHRS 20220418.26545 12.634B RFD 0.012 OPHRS 20220418.26466 12.649B RFD 0.015 OPHRS 20220418.26388 12.641B RFD 0.015 OPHRS 20220418.26309 12.612B RFD 0.016 OPHRS 20220418.26230 12.670B RFD 0.013 OPHRS 20220418.26150 12.637B RFD 0.015 OPHRS 20220418.26072 12.653B RFD 0.020 OPHRS 20220418.25993 12.622B RFD 0.017 OPHRS 20220418.25914 12.651B RFD 0.018 OPHRS 20220418.25836 12.656B RFD 0.015 OPHRS 20220418.25757 12.639B RFD 0.026 OPHRS 20220418.25678 12.636B RFD 0.022 OPHRS 20220418.25599 12.664B RFD 0.017 OPHRS 20220418.25521 12.657B RFD 0.021 OPHRS 20220418.25442 12.631B RFD 0.021 OPHRS 20220418.25363 12.626B RFD 0.020 OPHRS 20220418.25285 12.590B RFD 0.028 OPHRS 20220418.25206 12.569B RFD 0.030 OPHRS 20220418.25127 12.543B RFD 0.030 OPHRS 20220418.25049 12.571B RFD 0.022 OPHRS 20220418.24970 12.591B RFD 0.027 OPHRS 20220418.24890 12.551B RFD 0.029 OPHRS 20220418.24811 12.614B RFD 0.031 OPHRS 20220418.24733 12.632B RFD 0.024 OPHRS 20220418.24654 12.671B RFD 0.027 OPHRS 20220418.24575 12.683B RFD 0.030 OPHRS 20220418.24497 12.692B RFD 0.024 OPHRS 20220418.24418 12.688B RFD 0.023 OPHRS 20220418.24339 12.646B RFD 0.034 OPHRS 20220418.24260 12.626B RFD 0.024 OPHRS 20220418.24181 12.635B RFD 0.038