Аннотация:CCD photometry is presented for two type Ia supernovae, SN 2011df and 2011ek, and for a supernova of type Ia-1991bg, SN 2012ea. The light curve parameters and absolute magnitudes at maximum light are estimated. It is shown that SNe 2011df and 2012ea are typical for their classes considering the shape of their light curves and maximum luminosity. SN 2011ek shows some properties of 1991bg-like supernovae: red color at maximum and low luminosity, but the shape of the light curves is typical of normal SNe Ia.