T. Kato wrote:

20211003.940 12.78V (Jose Ripero) 20211003.9444 108 (Jose Prieto)

According to José Ripero (vsnet-obs 94301): PERGK 20211003.9444 10.8 OJR star's comparison 10.7-11.2 - AAVSO Chart X27176BO

According to AAVSO: OJR = RIPERO OSORIO, JOSE

Another "special" observation by OJR?

Regards, Patrick ---------- Taichi Kato tkato@kusastro.kyoto-u.ac.jp wrote on Wednesday, 5 October 2021 at 23:57:49 UTC:

GK Per up to now (corrected)

YYYYMMDD(UT)  mag  observer   20210918.7347 128cG  (Yutaka Maeda)   20210919.1596 12.90C  (Masao Funada)   20210920.9097  130  (Eddy Muyllaert)   20210921.969  128  (Gary Poyner)   20210922.7331 129cG  (Yutaka Maeda)   20210922.9306  130  (Eddy Muyllaert)   20210923.7340 126cG  (Yutaka Maeda)   20210923.9222  129  (Eddy Muyllaert)   20210924.017  129  (Gary Poyner)   20210924.7380 128cG  (Yutaka Maeda)   20210925.974  12.98C  (Gary Poyner)   20210926.4269 13.73B  (Seiichiro Kiyota)   20210926.4273 12.83V  (Seiichiro Kiyota)   20210927.9174  130  (Eddy Muyllaert)   20210928.3782 13.92B  (Seiichiro Kiyota)   20210928.3786 12.83V  (Seiichiro Kiyota)   20210928.7417 128cG  (Yutaka Maeda)   20211001.6128 126cG  (Yutaka Maeda)   20211001.816  130  (Hiroyuki Maehara)   20211002.6139 126cG  (Yutaka Maeda)   20211003.4589 128V  (Robert Fidrich)   20211003.528  128  (Hiroyuki Maehara)   20211003.6414 12.42C  (Masayuki Moriyama)   20211003.6426 12.55V  (Masayuki Moriyama)   20211003.6437 11.90Rc  (Masayuki Moriyama)   20211003.6446 11.32Ic  (Masayuki Moriyama)   20211003.6465 13.46B  (Masayuki Moriyama)   20211003.6498 125cG  (Yutaka Maeda)   20211003.776  128V  (Pavol A. Dubovsky)   20211003.815  132  (Tsuneo Horie)   20211003.826  129  (Gary Poyner)   20211003.940  12.78V  (Jose Ripero)   20211003.9444  108  (Jose Prieto)   20211003.992  12.82C  (Gary Poyner)   20211004.6055 128cG  (Yutaka Maeda)   20211004.826  132  (Tsuneo Horie)   20211005.038  12.98C  (Gary Poyner)   20211005.0569  130  (Robert Fidrich)   20211006.103  129  (Klaus Wenzel)