def get_utm_crs(lon_center, lat_center):
    """Derive CRS for UTM zone matching coordinates

    Parameters
    ----------
    lon_center, lat_center : float
        coordinates of center of image

    Returns
    -------
    dict
        init: epsg code
    """
    zone_base = 32700 if lat_center < 0 else 32600
    epsg_code = zone_base + 1 + int((180 + lon_center) / 6)
    return {'init': f'epsg:{epsg_code}'}