Science

Starwatch: Count these stars to find out how dark the sky is where you are

Great Square of Pegasus’s four corners are widely visible, but its inner stars provide a useful indicator of darkness This week, we are going to locate the Great Square of Pegasus and count stars to see how dark your sky is.

✦ Extractive summary — built from the sources' own reporting•From 1 source•1 min read•Updated November 9, 2026, 6:00 AM UTC

High in the sky is the Great Square of Pegasus, a distinctive pattern of four stars that marks the body of the mythical winged horse.

The chart shows the view looking south from London at 2000 GMT on 9 November.

How this summary was made: extractive summary — built from the sources' own reporting. It is drawn only from the reporting of the sources listed below — read the originals for full detail. How we summarize →

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