Accidentally, I dug up further photometry of this star. The data now clearly show one full cycle of this star. New measurements are here (format is same as in my previous email): R band: 2452308.721766 -1.7930 0.0144 5 2452363.598935 -1.7565 0.0105 4 2452370.602761 -1.6730 0.0042 5 2452386.551502 -1.9432 0.0106 5 2452395.500156 -1.8448 0.0089 4 2452402.520386 -2.0040 0.0173 5 2452509.309068 -1.8237 0.0109 3 2452522.272839 -1.9552 0.0660 3 2452532.258519 -1.8693 0.0126 3 2452576.197600 -1.6435 0.0071 5 V band: 2452308.715758 0.6086 0.0257 5 2452346.650348 0.7836 0.0317 5 2452363.600946 0.6055 0.0154 4 2452364.562867 0.6350 0.0208 3 2452370.604772 0.6061 0.0140 5 2452386.553139 0.3892 0.0270 3 2452395.501575 0.3033 0.0235 3 2452402.521863 0.1970 0.0018 4 2452509.311300 0.5027 0.0154 3 2452522.274802 0.4490 0.0063 3 2452532.260301 0.2775 0.0094 3 2452576.200710 0.6050 0.0125 5 Best regards, Ondrej Pejcha