Meredith Rawls, a Research Scientist at the University of Washington, allowed me to post an abridged version of her description of the new IAU Centre for the Protection of the Dark and Quiet Sky from Satellite Constellation Interference (CPS), particularly SatHub that she co-chairs. I am the IAU CPS SatHub Visual Observation Campaign Coordinator . There is also a more in-depth look at SatHub at SatHub In Depth, by Siegfried Eggl