The December sky welcomes winter, the start of which is marked by the shortest day of the yr: the solstice this yr falls on December twenty second, when the Solar will rise at 7.37 am and set at 4.44 pm. Two days later, this yr’s Christmas reward would be the Moon: on the night time between the twenty fourth and twenty fifth will probably be the protagonist of a vibrant conjunction with the Pleiades and the star Aldebaran, within the constellation of Taurus. However this month, lovers can even be capable to witness a very uncommon occasion, as recalled by the Italian Novice Astronomers’ Union: on 12 December the asteroid Leona will occult the star Betelgeuse with its passage. It is going to be potential to admire the present from the south of Sardinia, from Campania, from Puglia, from Molise and from the north of Calabria.The brightest object within the winter sky stays Jupiter, nonetheless simply observable for a lot of the night time, adopted by Venus, which is as a substitute seen within the morning, among the many lights of daybreak. Saturn continues to convey ahead its sundown time, so the time obtainable to admire it’s now restricted to the early hours of the night time, whereas Mars is successfully unobservable for your complete month. Mercury, alternatively, will shuttle: originally of December will probably be comparatively straightforward to aim statement, then the planet will quickly method its conjunction with the Solar on the twenty second, to then reappear on the finish of the yr among the many lights of daybreak. With the month of December we definitively enter the interval of finest observability of the good winter constellations: the autumnal ones, poor in vibrant stars, start to set, changed within the South-East by the unmistakable constellation of Orion, probably the most stunning of the winter ones, accompanied from Canis Main, Taurus and Gemini. In these constellations a number of the brightest stars in your complete celestial vault are discovered: Sirius in Canis, the purple Aldebaran in Taurus, Castor and Pollux in Gemini, along with Procyon in Canis Minor and Capella in Auriga.
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