Top left: intrinsic luminosity over time for different initial conditions. Top right: apparent magnitudes over time for different internal structures. Bottom left: apparent magnitudes for Uranus-like cases. All these three panels are for a 10 M_⊕ planet. Bottom right: evolution of the apparent magnitudes in V and Q for the nominal case (10 M_⊕) and planets with masses of 5, 20, and 50 M_⊕. All apparent magnitudes are for a distance from the Sun of 700 AU.