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February 21, 2008 Lunar Eclipse


Effects of the lunar eclipse from satellite altitude.
The Defense Meteorological Satellite Program's (DMSP) F16 satellite captured the effects of the lunar eclipse on February 21, 2008. Moonlight reflected off clouds is reflected back to the satellite making the clouds detectable in the visible band. This can be seen in the data off the east coast of the US. As the lunar eclipse progressed through its partial stage, the moonlight is less, resulting in less distinct clouds and more visible city lights. As the DMSP satellite passed over the west coast of the US, the eclipse was total with no clouds visible at all, just the city lights below. By the time F16 made its next pass, the eclipse was over and full moonlight was available and reflecting off the clouds again.