Here are two of my best images from 2020, ironically neither from the dates of perigee or opposition. I was excited to get Olympus Mons in the first image and Syrtis Major in the second image never disappoints. Equipment: Orion SkyView Pro 180mm Mak-Cass, ZWO ASI224MC, Celestron 2x barlow
Captured using FireCapture, processed in Registax 6, post-processing in Photoshop