First time for Olympus Mons, visible as a pale patch at 9 o’clock on the limb. Using 1.5x drizzle most of the time now.

Object IDMars
Details2020-10-06 20:56 UT
CM 192°
Seeing III
Telescope250mm f4.8 Newtonian
x3 Barlow 3600mm fl
CameraZWO ASI 290MC
Exposure(s)180s 100 fps video
5% frames used
1.5x Drizzle
ProcessingAutoStakkert 3, Registax 6, PS
Drizzle 1.5x