Copernicus – diameter
is 96 km, named after the astronomer Nicolaus Copernicus.
It typifies craters that formed during the
Copernican period in that it has a prominent ray system.
From Wikipedia: The Copernican Period in the lunar
geologic timescale runs from approximately 1.1 billion
years ago to the present day.
The base of the Copernican period is defined by
impact craters that possess bright optically immature ray
Tech Specs: ZWO ASI290MC camera and Meade 12” LX90
telescope mounted on a Celestron CGEM-DX mount.
Software used included Sharpcap v2.9, AutoStakkert! Alpha
Version 22.214.171.124, ImagesPlus v5.75a, and Registax
Photographed on January 7, 2017 from Weatherly,