Sketching the Moon 001 - Herodotus and Aristarchus Craters October 14, 2019 Aristarchus astro sketch +7 astro sketches astronomy sketching astrosketchography Cobra Head Herodotus Luna lunar moon Vallis Schroeter waxing gibbous Aristarchus astro sketch astro sketches astronomy sketching astrosketchography Cobra Head Herodotus Luna lunar moon Vallis Schroeter waxing gibbous