Simultaneity is a local phenomenon that can't be applied to distant objects. It happened and we saw it. A thousand years ago here is not the same as a thousand years ago there
Discussion
What do you mean by that exactly?
There is no universal frame of reference. "At the same time" isn't a concept for all observers; and "1000 years ago" depends on your frame of reference. For the photon that just hit telescope it happened now, not 1000 years ago.
Unless stated, assume speaker perspective from speaker.
When something happened becomes less meaningful on cosmic scales... Time is distance.