How Low Can You Go? Take the Great Square Challenge

(Before It's News)

Look high in the southern sky at nightfall to find the familiar giant square that forms the barrel of Pegasus the Flying Horse. The map shows the sky around 6:30 p.m. local time. Source: Stellarium

Cast your gaze up, up, up on the next dark, moonless night and stare into the Great Square of Pegasus. How many stars do you see? Zero? Two? Twenty? If you’d like to find out how dark your sky is, read on. (…)
Read the rest of How Low Can You Go? Take the Great Square Challenge (701 words)

© Bob King for Universe Today, 2014. |
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Post tags: averted vision, Dark Sky Scale, darkness, Great Square, John Bortle, magnitude, Pegasus

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