I lied...I am back. 😄
Two things I forgot to mention. First, Tom Vassos was an absolute rocker on board. Such a plus...fantastic presentations, very accessible all over the ship, before and after his presentations and just about 24/7. Just a great human being, and a great asset to this cruise.
Secondly, the group on board. There was Sky and Telescope, about 375 people, and two other small groups. Yes, they had various presentations and other events, and had their own operations on the top deck forward for the Eclipse. I never once felt they in anyway affected any other activities or things on the ship. Perhaps because every single person on then ship was there for the same purpose...I don't know. But other than their special ID badges, and the almost daily events scheduled at various venues and times, you wouldn't have known anything was happening. No impact at all on our enjoyment.