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Dust Storm Comparison

Image

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About this observation
Observer
David Basey
Time of observation
22/11/2020 - 20:12
Object
Mars
Observing location
Norfolk
Equipment
358mm Dobsonian
Altair 178M3 camera
W25 red filter
Tags

Dust storms on Mars show up most clearly in red light. 

The image on the left is from last evening, that on the right from early August having a fairly similar central meridian longitude. Comparing the two clearly shows the western extent of the storm in the lower left segment of the disk..

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