A DSCT, the GPX-TF8D-1290 (GSC 04271-00335 in Cepheus) 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 10.74 to 10.76 V.
Epoch: HJD 2457811.829
Period: 0.17317 d
Here is the link to VSX record: https://www.aavso.org/vsx/index.php?view=detail.top&oid=2225193