The Dunes of Wirtz Crater (Original NASA/MGS/MSSS b/w Frame)

Caption NASA originale:"This MGS-MOC image shows dark Sand Dunes, formed by winds blowing from the South-West (upper right), in Wirtz Crater. The Crater is named for Carl Wilhelm Wirtz (1876–1939), a German astronomer".

Location near: 49,0° South Lat. and 25,5° West Long.
Image width: ~3 Km (~1,9 mi)
Illumination from: upper left
Season: Southern Autumn