  We analyse observations of a saddle-like structure in the corona above the
western limb of the Sun on 2017 July 18. The structure was clearly outlined by
coronal loops with typical coronal temperature no more than 1 MK. The dynamics
of loops showed convergence toward the centre of the saddle in the vertical
direction and divergence in the horizontal direction. The event is a clear
example of smooth coronal magnetic field reconnection. No heating
manifestations in the reconnection region or magnetically connected areas were
observed. Potential magnetic field calculations, which use as the boundary
condition the SDO/HMI magnetogram taken on July 14, showed the presence of a
null point at the height of 122" above the photosphere just at the centre of
the saddle structure. The shape of field lines fits the fan-spine magnetic
configuration above NOAA 2666.
