Oh yes that horizontal lens flare effect which is also in Eve Online... On the forums they say it's not non-realistic, so if that's true I think it's a good idea.
It looks nice on images, but I think it does get a bit annoying when rotating the view so the star appears to rotate. At least I don't think it looks realistic, but it could be.
Here are some images of the effect from EVE Online which I used to play some years ago.
