def METHOD_NAME(aia171_test_map):
    new_observer = SkyCoord(45*u.deg, 0*u.deg, 1*u.AU,
                            frame='heliographic_stonyhurst',
                            obstime=aia171_test_map.date)
    return sunpy.map.make_fitswcs_header(
        aia171_test_map.data.shape,
        SkyCoord(0*u.arcsec, 0*u.arcsec,
                 frame='helioprojective',
                 obstime=aia171_test_map.date,
                 observer=new_observer,
                 rsun=aia171_test_map.coordinate_frame.rsun),
        scale=u.Quantity(aia171_test_map.scale),
        projection_code='TAN'
    )