[Battle Axe]

6:05 A.M. Was the sun in their eyes? Was it still dark?

[spanalot]

If light was an issue, then they would have seen the difference even easier?

FOX now saying winds were not an issue and weather was probably not an issue.

[El Gato]

6:05 A.M. Was the sun in their eyes? Was it still dark?

Sun, if up, would have been to their right as they taxied up to the runway. As they turned on to it, the sun would have been to their left rear, mostly rear.

So, I'd say no, the sun was not in their eyes.