Spacetober 2023 5. Moon - Io

Jupiter's moon Io as seen by New Horizons in 2007, with Tvashtar volcano very active at the top.

References: https://pluto.jhuapl.edu/Galleries/Featured-Images/image.php?page=1&gallery_id=2&image_id=69

Drawn using a mechanical pencil with a 0.5 mm HB lead, with colors inverted in Photoshop.