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We present BVR light curves of pulsating stars, ST Boo and RR Leo, obtainedbetween March and September 2007 at the Ankara University Observatory (AUG) andthe T\"{U}B{\.I}TAK National Observatory (TUG). Although these observationaldata are insufficient to obtain the reliable results for a frequency analysisof ST Boo and RR Leo stars, in this study, we tried to investigate thepulsation phenomena of these two stars, as an overview, using the Period04software package. As preliminary results, we present the possible frequenciesfor ST Boo and RR Leo.

RR Lyrae type stars, ST Boo and RR Leo: 2007 Observations and the preliminary results of the frequency analaysis