def METHOD_NAME(self):
    fig = plt.figure(figsize=(4, 4))
    ax = WCSAxes(fig, [0.15, 0.15, 0.7, 0.7], wcs=WCS(self.msx_header))
    fig.add_axes(ax)
    ax.grid(color="red", alpha=0.5, linestyle="solid")
    overlay = ax.get_coords_overlay("fk5")  # automatically sets coord_meta
    overlay.grid(color="black", alpha=0.5, linestyle="solid")
    overlay["ra"].set_ticks(color="black")
    overlay["dec"].set_ticks(color="black")
    ax.set_xlim(-0.5, 148.5)
    ax.set_ylim(-0.5, 148.5)
    return fig