"been visible" is a correct and usable phrase in written English.
It is the past participle form of the verb "be" and can be used to describe something that was or has been able to be seen or noticed. Example: "Throughout the night, the stars had been visible in the clear sky."
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It has been visible".
The aircraft would have been visible.
At times, the strain on Capriati has been visible.
I asked whether the unionist community had been visible.
In all, only two employees had been visible.
Signs of resettlement progress have not been visible.
And yet traces of impending trauma had been visible.
In the past year, small improvements have been visible.
The progress since then has been visible, tangible and audible.
Some glimmers of economic light have been visible.
Would that ever have been visible on a spreadsheet?
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com