ASASSN-18hr likely superoutburst

Suspected ER UMa star.

YYYYMMDD(UT) mag observer 20210821.2250 18.820zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210821.3013 18.577zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210824.2447 16.184zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210824.3044 16.310zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210826.2604 16.232zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210826.2979 16.199zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210828.2131 16.321zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210828.2630 16.681zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210901.2677 16.462zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210903.2863 16.769zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210905.2440 17.136zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210905.2575 16.901zg (Zwicky Transient Facility Lasair (Masci+ 2019))