No idea what that is. But I've also seen my share of wierd things in the sky.
I was at the beach when I saw it, there's really no way to describe it unless I was talking person-to-person with you.
But it was kinda like a ball of orange light that was going across the sky in front of me. It had a tail, kinda like the ones in the video above, that would slowly fade, and it would move at a South West direction across the sky.
It would go down some, come into a ball and disappear, reappear again and start moving downward again. It repeated this several times then went away.