def default_wcs_grid(axes):
    """
    Apply some default `~astropy.visualization.wcsaxes.WCSAxes` grid
    formatting.

    Parameters
    ----------
    axes : `~astropy.visualization.wcsaxes.WCSAxes`
        The `~astropy.visualization.wcsaxes.WCSAxes` object to draw the world
        coordinate grid on.
    """
    axes.coords.grid(color='white', alpha=0.6, linestyle='dotted',
        linewidth=0.5)
