A DSCT, the GPX-TF8D-1290 (GSC 03975-01103 in Cassiopeia) has been discovered during the GPX survey and submitted to VSX by P. Benni, A. Burdanov, F. Salvaggio, A. Marchini, R. Papini.
Magnitude variation goes from 12.05 to 12.08 V.
Epoch: HJD 2457710.7278
Period: 0.145124 d
This is the link to VSX record: https://www.aavso.org/vsx/index.php?view=detail.top&oid=2225168