Data sources:

6m: E.A.Barsukova, A.F.Valeev and V.P.Goranskij with the Russian 6-m telescope BTA and SCORPIO focal reducer.
A5: V.G.Metlov and V.P.Goranskij with the 50-cm Maksutov meniscus telescope and Apogee Alta U8300 CCD camera at the Crimean Station of the Moscow University.
AT: I.Khamitov, I.Bikmaev, R.Burenin, S.Grebenev, M.Tanriver, A.Avci, S.Kaynar, D.Gumus, M.Kocak, T.Azisik, M.Dindar, H.Esenoglu, H.Kirbiyik, O.Okuyan, T.Saygac, A.Semena, A.Tkachenko, E.Irtuganov, S.Melnikov, M.Pavlinsky, N.Sakhibullin, R.Sunyaev, ATel#9780, 2016.
BB: V.Bakis, U.Burgaz, T.Butterley, J.M.Carrasco, V.S.Dhillon, M.Dominik, A.Floers, L.K.Hardy, G.Leto, S.P.Littlefair, J.R.Maund, P.Ochner, A.Pastorello, A.Piascik, L.Rhodes, R.Z.Sanchez, K.V.Sokolovsky, I.Steele, S.Taubenberger, G. Terreran, L.Tomasella, R.W.Wilson, L.Wyrzykowski, A.M.Zubareva, ATel #9376, 2016.
SO: V.P.Goranskij, A.F.Valeev, E.A.Barsukova with the SAO Zeiss 1-m telescope and UBVRcIc photometer based on CCD 42-40 chip.
WM: L.Wyrzykowski, P.Mroz, K.Rybicki, G.Altavilla, V.Bakis, P.Bendjoya, G.Birenbaum, N.Blagorodnova, S.Blanco-Cuaresma, A.Bonanos, V.Bozza, N.Britavskiy, U.Burgaz, T.Butterley, P.Capuozzo, J.M.Carrasco, M.Chruslinska, G.Damljanovic, T.Dapergolas, M.Dennefeld, V.S.Dhillon, M.Dominik, H.Esenoglu, S.Fossey, A.Gomboc, N.Hallokoun, A.Hamanowicz, L.K.Hardy, R.Hudec, I.Khamitov, J.Klencki, Z.Kolaczkowski, U.Kolb, S.Leonini, G.Leto, F.Lewis, A.Liakos, S.P.Littlefair, D.Maoz, J.R.Maund, P.Mikolajczyk, L.Palaversa, M.Pawlak, M.Penny, A.Piascik, P.Reig, L.Rhodes, D.Russell, R.Z.Sanchez, B.Shappee, Y.Shvartzvald, M.Sitek, M.Sniegowska, K.Sokolovsky, I.Steele, R.Street, L.Tomasella, L.Trascinelli, K.Wiersema, R.W.Wilson, I.Zharkov, S.Zola, A.Zubareva, ATel#10371, 2017.
Z1: A.V.Zharova with the 60-cm Zeiss telescope and Apogee Aspen CCD at the Crimean Station of the Moscow University.