What to look out, and up, for in March. For the beginners this month we take a look at perhaps the most recognisable constellation of them all: Ursa Major, the Great Bear. In the Great Bear we go hunting for the easiest binary star in the sky and a host of big bright galaxies. Next Jeni rounds up the planets that are visible in December: Mars, Jupiter & ever more brief views of Saturn, before taking a look at this month's moon phases – with a few conjunctions with Mars Saturn & bright star Antares. Finally we take the ultimate tour of easy and more difficult galaxies as we explore the rich bounty of the constellation Leo the Lion.

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