TYCHO CRATER Taken by Alessandro Bianconi on November 8, 2020 @ Dolianova (ITALY)

Shadows in Tycho 2020.11.08 C14HD edge 10Micron GM2000HPSII ASI174M R Astrodon Filter Barlow 2X C.Zeiss + Extension Tube (FL = 10.150mm) 

https://www.astrobin.com/full/mymu3a/0/?nc=sulcis2000&real=&mod=