def plot_surface_best_fit(ax, surface, **kwargs):
    """Show `surface` best fit point on a 2D image.

    Parameters
    ----------
    ax : Axes
        matplotlib axes on which contours will be plotted.
    surface : Surface
        cafplot.surface.Surface object which best fit point is to be shown
    kwargs : dict, optional
        Values to pass to the pyplot.scatter function
    """
    ax.scatter(*surface.best_fit, **kwargs)
