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Hunting for colourful double and triple stars in the constellation of Cassiopeia

13 Dec 2019, 16:57 UTC
Hunting for colourful double and triple stars in the constellation of Cassiopeia

Keen Northern Hemisphere stargazers will rejoice that the winter solstice, which occurs on 22 December 2019, brings the longest nights of the year. This is the time when observers in the UK have twelve hours of darkness – moonlight notwithstanding – to enjoy starting at 6pm GMT. If you relish an early evening stargaze before it gets too cold, one readily identifiable constellation that lies virtually overhead at 7pm GMT during the festive season as seen from the British Isles is Cassiopeia (pronounced kas-ee-uh-pee-uh).

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