Here’s the impact crater, selected based on information from the Lunar Reconnaissance Orbiter (LRO), Lunar Prospector (LP), Chandrayaan-1 and JAXA’s Kaguya spacecraft.
https://gizmodo.com/this-is-probably-the-closest-you-will-ever-get-to-the-m-5372271
Here’s an image showing a similar crater to the one that the Centaur stage is projected to make.
The effects of the impact will be observable from Earth using telescopes larger than 10 inches.
