M105 is the large eliptical galaxy
that is left and center in the frame. It is the brightest elliptical
galaxy of the Leo I group and contains a massive black hole at its
core. It is estimated to be 50 million solar masses dense. It also
contains several young stars and star clusters.
The galaxy to the upper right is
NGC3384, another elliptical galaxy. The bluish spiral galaxy at
the bottom is NGC3389. This is a more distant galaxy that is not
an actual member of the Leo I group.