MGAB-V3488: strange object (Z Cam + ER UMa?) According to the ZTF data, this object was a Z Cam star before 2020 Mar. (long standstill between 2019 Sep. and 2020 Feb.). The object currently shows ER UMa-like behavior since 2020 Aug. Supercycle about 25 d and long duty cycle and occasional short outbursts.