Dear all, we Have several p magnitude of variable stars in M45 field taken with a 8 cm refractor f/5 on a 35 mm color film 400 iso exposure 5 minutes. In this case I Have used the Green image obtained from the RGB selector. Then, the p magnitude are more close to the Visual Magnitude. TAUBU 20021227.77 4.466p TSc (+/-0.25) TAUBU 20021227.78 4.452p TSc (+/-0.31) TAUBU 20021227.79 4.421p TSc (+/-0.35) ____________________________________ TAUV650 20021227.77 7.636p TSc (+/-0.32) TAUV650 20021227.78 7.651p TSc (+/-0.31) TAUV650 20021227.79 7.638p TSc (+/-0.32) _____________________________________ TAUSY 20021227.77 8.832p TSc (+/-0.26) TAUSY 20021227.78 8.997p TSc (+/-0.21) TAUSY 20021227.79 8.875p TSc (+/-0.27) _____________________________________ TAUV796 20021227.77 13.276p TSc (+/-0.33) TAUV796 20021227.78 13.083p TSc (+/-0.29) TAUV796 20021227.79 13.151p TSc (+/-0.32) _____________________________________ TAUV660 20021227.77 12.270p TSc (+/-0.33) TAUV660 20021227.78 12.403p TSc (+/-0.23) TAUV660 20021227.79 12.325p TSc (+/-0.24) _____________________________________ TAUV652 20021227.77 11.639p TSc (+/-0.47) TAUV652 20021227.78 11.577p TSc (+/-0.39) TAUV652 20021227.79 11.655p TSc (+/-0.44) _____________________________________ TAUV703 20021227.77 14.181p TSc (+/-0.43) TAUV703 20021227.78 14.115p TSc (+/-0.38) TAUV703 20021227.79 14.218p TSc (+/-0.35) _____________________________________ TAUV534 20021227.77 7.545p TSc (+/-0.35) TAUV534 20021227.78 7.696p TSc (+/-0.29) TAUV534 20021227.79 7.620p TSc (+/-0.31) _____________________________________ TAUAH 20021227.77 10.375p TSc (+/-0.45) TAUAH 20021227.78 10.559p TSc (+/-0.41) TAUAH 20021227.79 10.467p TSc (+/-0.40) _____________________________________ TAUCU 20021227.77 10.302p TSc (+/-0.40) TAUCU 20021227.78 10.182p TSc (+/-0.37) TAUCU 20021227.78 10.247p TSc (+/-0.41) Regards, Toni Scarmato