What effect will SpaceX's 42K satellites have on astrononical viewing?

[swampwiz]

There has to got to be some effect.

 

[berkeman]

There was a recent long thread about this. I'll see if I can find it with a search...

 

[berkeman]

Here it is. It's a little harder to find because of the round-a-bout title:

https://www.physicsforums.com/threads/the-curse-of-elon-musk.983513/

 

[MikeeMiracle]

I read they agreed to put some kind of coating on the new ones so they don't reflect as much light so as to try and limit the effect they have on astronomy.