AY Lac rapidly faded YYYYMMDD(UT) mag observer 20221220.5363 <139cG (Yutaka Maeda) 20221222.1777 16.273zg (ZTF Alert DC mag (Masci+ 2019)) 20221222.2272 16.306zr (ZTF Alert DC mag (Masci+ 2019)) 20221223.797 163C (Jeremy Shears) 20221224.857 17.21C (Gary Poyner) 20221225.413 18.27C (Hiroshi Itoh) 20221225.4545 <146c (Yutaka Maeda) 20221225.5029 <141cG (Yutaka Maeda) 20221225.5580 <173C (Masayuki Moriyama) 20221226.5805 <167C (Masayuki Moriyama)