A new ELL system is here: this is the GPX-TF8C-774 (GSC 04047-00136 in Cassiopeia) discovered during the GPX survey and submitted to VSX by P. Benni, A. Burdanov, F. Salvaggio, A. Marchini, R. Papini.
Magnitude goes from 11.95 to 12.02 V.
Epoch: HJD 2457668.7507
Period: 0.648735 d
This is the link to VSX record: https://www.aavso.org/vsx/index.php?view=detail.top&oid=683981