25 July 2014 - Mission Day: 6811 - DOY: 206
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MDI Single Dopplergram The MDI instrument is designed to observe the line-of-sight motion of the Sun's photosphere, and to produce a velocity image or dopplergram, with the dominant feature being the solar rotation, which appears as a shift from dark to light across the Sun's disk. The dark colors indicate motion toward the observer.

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