English: This image shows a subset of the GLOBE at Night datasets from 2009-2011. It is composed of 15634 observations. The darkest observations (NELM=7) are shown by black circles, followed by black triangles (NELM=6), large black dots (NELM=5), large blue dots (NELM=4), large red dots (NELM=3), and small yellow dots (NELM<3).
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