Curiosity Left Mastcam (M-34)

Sol 489 15:27 Site 24/0378 0489ML0019470000202385E01_DXXX
Measure sky aerosol properties [observations]
Dec 21, 2013 at 4:21:04 PM UTC (approximate)
Credit: NASA / JPL-Caltech / Malin Space Science Systems

Image Source