V381 Lac: brightest ever detected

Several observers has noticed this brightening.

YYYYMMDD(UT) mag observer 20210803.6329 <142cG (Yutaka Maeda) 20210806.6514 <149cG (Yutaka Maeda) 20210810.5941 <130cG (Yutaka Maeda) 20210820.5618 <161C (Masayuki Moriyama) 20210828.5687 <147cG (Yutaka Maeda) 20210908.7362 154C (Masayuki Moriyama) 20210908.7370 <156V (Masayuki Moriyama) 20210911.6637 153:C (Masayuki Moriyama) 20210914.5012 16.15V (Minoru Sato) 20210919.4885 <139cG (Yutaka Maeda) 20210919.692 138C (Mitsutaka Hiraga) 20210920.4901 15.97V (Minoru Sato) 20210922.4253 <133cG (Yutaka Maeda) 20210923.7509 142C (Masayuki Moriyama) 20210923.7520 155:V (Masayuki Moriyama) 20210928.6755 140C (Masayuki Moriyama) 20210928.6764 15.12V (Masayuki Moriyama) 20210928.6775 13.55Rc (Masayuki Moriyama) 20210928.6784 12.16Ic (Masayuki Moriyama) 20210928.6815 <15.37B (Masayuki Moriyama) 20211001.656 131C (Mitsutaka Hiraga) 20211001.7101 137C (Masayuki Moriyama) 20211001.7106 147V (Masayuki Moriyama) 20211004.5752 <147cG (Yutaka Maeda) 20211007.7087 13.42C (Masayuki Moriyama) 20211007.7087 150:V (Masayuki Moriyama) 20211010.4138 14.66V (Minoru Sato) 20211013.635 126C (Mitsutaka Hiraga) 20211013.7271 132C (Masayuki Moriyama) 20211017.7057 141V (Masayuki Moriyama) 20211019.6298 13.08C (Masayuki Moriyama) 20211019.6317 14.16V (Masayuki Moriyama) 20211023.7075 130C (Masayuki Moriyama) 20211025.628 125C (Mitsutaka Hiraga) 20211026.6401 129C (Masayuki Moriyama) 20211029.5316 140cG (Yutaka Maeda) 20211029.6413 131C (Masayuki Moriyama) 20211030.4275 14.17V (Minoru Sato) 20211101.4979 141:cG (Yutaka Maeda) 20211102.6370 128C (Masayuki Moriyama) 20211102.6379 14.33V (Masayuki Moriyama) 20211103.5404 139:cG (Yutaka Maeda) 20211106.4849 13.99V (Minoru Sato) 20211106.6904 127C (Masayuki Moriyama) 20211107.4731 <124cG (Yutaka Maeda) 20211110.550 142c (Tadashi Kojima) 20211115.6260 125C (Masayuki Moriyama) 20211116.5039 13.73V (Minoru Sato) 20211118.5044 136:cG (Yutaka Maeda) 20211119.6464 125C (Masayuki Moriyama) 20211119.6472 13.85V (Masayuki Moriyama) 20211126.6247 125C (Masayuki Moriyama) 20211126.6256 135V (Masayuki Moriyama) 20211204.4036 138cG (Yutaka Maeda) 20211208.3977 139cG (Yutaka Maeda) 20211213.5845 126C (Masayuki Moriyama) 20211221.5145 129C (Masayuki Moriyama) 20211223.3971 143:cG (Yutaka Maeda) 20211223.487 126C (Mitsutaka Hiraga) 20211231.3889 <146cG (Yutaka Maeda) 20220103.3965 <149cG (Yutaka Maeda) 20220104.5293 147:V (Masayuki Moriyama) 20220104.5301 133C (Masayuki Moriyama) 20220108.3997 <144cG (Yutaka Maeda) 20220127.4834 131C (Masayuki Moriyama) 20220211.4748 131C (Masayuki Moriyama) 20220401.8518 120C (Masayuki Moriyama) 20220418.8004 11.59C (Masayuki Moriyama) 20220418.8014 12.61V (Masayuki Moriyama) 20220419.7881 125V (Masayuki Moriyama) 20220504.7593 114C (Masayuki Moriyama) 20220504.7600 123V (Masayuki Moriyama) 20220507.7700 128cG (Yutaka Maeda) 20220517.6558 12.47V (Minoru Sato) 20220517.7700 126cG (Yutaka Maeda) 20220518.6976 113C (Masayuki Moriyama) 20220518.6995 12.35V (Masayuki Moriyama) 20220531.7200 127cG (Yutaka Maeda) 20220603.8091 12.29V (Masayuki Moriyama) 20220608.6478 12.48V (Minoru Sato) 20220630.633 131c (Tadashi Kojima) 20220701.7484 122V (Masayuki Moriyama) 20220708.6434 12.24V (Minoru Sato) 20220719.7289 119V (Masayuki Moriyama) 20220725.6165 11.88V (Minoru Sato) 20220729.5722 11.92V (Minoru Sato) 20220802.6500 120cG (Yutaka Maeda) 20220805.5827 11.82V (Minoru Sato) 20220807.6500 120cG (Yutaka Maeda) 20220808.7848 113C (Masayuki Moriyama) 20220808.7896 11.67V (Masayuki Moriyama) 20220809.594 118C (Mitsutaka Hiraga) 20220814.4518 11.79V (Minoru Sato) 20220821.6035 11.84V (Minoru Sato) 20220822.7046 116V (Masayuki Moriyama) 20220825.7812 11.64V (Masayuki Moriyama) 20220826.7320 116V (Masayuki Moriyama) 20220828.5231 11.78V (Minoru Sato) 20220904.4461 11.73V (Minoru Sato) 20220910.3961 11.73V (Minoru Sato) 20220914.4012 11.76V (Minoru Sato) 20220916.7247 117V (Masayuki Moriyama) 20220921.4560 11.91V (Minoru Sato) 20220924.482 119c (Tadashi Kojima) 20220926.4529 12.08V (Minoru Sato) 20220927.6681 11.94V (Masayuki Moriyama) 20220929.596 125c (Tadashi Kojima) 20221001.4915 12.16V (Minoru Sato)