First full moon of 2018 but what is that under it?

The clouds parted and the first full moon of 2018 became visible.

I had taken a few shots before the full moon too, as usually I get more contrast and detail before and after the full phase.





















However,  a short series of more 'arty' shots including the moon with clouds provoked my interest.




















When I viewed this snap (above) I noticed that a perfectly spherical object, beneath and to the right of the moon was apparent.



















In the copy shot above I have arrow-marked this circular object. It appears to...