V1310 Cyg long outburst

Nay be a superoutburst.

YYYYMMDD(UT) mag observer 20230515.8079 <140c (Yutaka Maeda) 20230516.8015 <143c (Yutaka Maeda) 20230518.4347 21.052zg (ZTF Alert DC mag (Masci+ 2019)) 20230522.4089 16.213zr (ZTF Alert DC mag (Masci+ 2019)) 20230522.4590 16.656o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230522.4613 17.125o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230522.4843 16.868o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230522.4930 16.638o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230524.5401 16.485o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230524.5695 16.607o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230524.5732 16.488o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230524.5786 17.112o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230525.4339 16.077zg (ZTF Alert DC mag (Masci+ 2019)) 20230525.4522 16.169zr (ZTF Alert DC mag (Masci+ 2019)) 20230526.5123 16.980o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230526.5154 16.789o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230526.5326 16.642o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230526.5444 16.811o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230527.5066 16.574o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230527.5290 16.599o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230527.5317 16.583o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230527.5370 16.479o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230528.5155 16.575o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230528.5280 16.422o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230528.5311 16.364o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021))