CH Her: SU UMa star?
ZTF data look like that of an SU UMa star with supercyccles of 130-160 d. The 2022 Sep.-Oct. outburst appears to have been a superoutburst
YYYYMMDD(UT) mag observer 20220920.1748 19.641zr (ZTF Alert DC mag (Masci+ 2019)) 20220920.5144 <148c (Yutaka Maeda) 20220922.1615 19.333zr (ZTF Alert DC mag (Masci+ 2019)) 20220922.1716 20.380zg (ZTF Alert DC mag (Masci+ 2019)) 20220924.1567 14.948zr (ZTF Alert DC mag (Masci+ 2019)) 20220924.2288 14.653zg (ZTF Alert DC mag (Masci+ 2019)) 20220924.448 151C (Mitsutaka Hiraga) 20220926.1534 14.669zg (ZTF Alert DC mag (Masci+ 2019)) 20220926.2039 14.741zr (ZTF Alert DC mag (Masci+ 2019)) 20220927.6094 147C (Masayuki Moriyama) 20220928.1397 14.969zr (ZTF Alert DC mag (Masci+ 2019)) 20220928.1587 14.842zg (ZTF Alert DC mag (Masci+ 2019)) 20220929.5011 <153c (Yutaka Maeda) 20220929.5470 <143cG (Yutaka Maeda) 20220929.551 154C (Mitsutaka Hiraga) 20220929.6078 <150C (Masayuki Moriyama) 20220930.6203 15.58C (Masayuki Moriyama) 20221001.1637 15.126zg (ZTF Alert DC mag (Masci+ 2019)) 20221001.5794 15.74C (Masayuki Moriyama) 20221003.487 157C (Mitsutaka Hiraga) 20221005.1877 17.268zr (ZTF Alert DC mag (Masci+ 2019)) 20221005.2350 17.328zg (ZTF Alert DC mag (Masci+ 2019)) 20221005.4902 170:C (Masayuki Moriyama) 20221007.1403 18.142zr (ZTF Alert DC mag (Masci+ 2019))