diff_rotation# smart.differential_rotation.diff_rotation(ref_map: <sunpy.map.map_factory.MapFactory object at 0x7ff1d3e39a80>, im_map: <sunpy.map.map_factory.MapFactory object at 0x7ff1d3e39a80>)[source]# Differentially rotate input map to reference map. Parameters: ref_map (Map) – Reference map. im_map (Map) – Map to be reprojected. Returns: diff_map – Differentially rotated map. Return type: Map