Objective, except that effectively its removed from both approaches as both concern the position of receiver or observer.

Realism is the attribution of objective existence to a subjective conception.

There are many kinds of realism. The basic issue (usually) boils down to whether a phenomenon or entity is mind-dependent or not, but middle grounds are also possible. Realism does not necessarily exclude the subjective, nor are the subjective and objective always mutually exclusive.

The Stanford Encyclopedia of Philosophy has numerous entries concerning realism, antirealism, and related ideas. You can do a search here:

https://plato.stanford.edu/index.html

This entry might be a good place to start:

https://plato.stanford.edu/entries/realism-sem-challenge/

Interesting discussion.

If we understand the realistic philosophy as gnosology - from the contributions of Aristotle and St. Thomas Aquinas - there would be a contrast between the cogntive and emotional representations of the external environment - contents of the mind - and the socially categorized observations.