Curiosity Right Mastcam (M-100)

Sol 489 15:37 Site 24/0378 0489MR0019470320303053D01_DXXX
Measure sky aerosol properties [observations]
Dec 21, 2013 at 4:31:22 PM UTC (approximate)
Credit: NASA / JPL-Caltech / Malin Space Science Systems

Image Source