On the morning of Saturday, 9 January — just two days after their photogenic conjunction with an old crescent Moon — planets Venus and Saturn reach the denouement of their pre-dawn show with a spectacular close conjunction. To observe this spectacle you need an unobstructed view low to the southeast around 7am GMT (central British Isles).
On the morning of Thursday, 7 January, observers in the UK with a clear sky and an unobstructed view low to the southeast at 7am GMT (central British Isles) can see a close conjunction between the old crescent Moon, Venus and Saturn — all three encompassed by the field of view of a typical binocular.
The first major annual meteor shower is the Quadrantids that is active from 1 to 6 January. While it is a display that can rival the August Perseids or the December Geminids at its best, most of the peak activity occurs within a six-hour window centred on a short, sharp maximum that is predicted to fall on the UK morning of Monday, 4 January 2016.
Discovered on 31 October 2013 by the Catalina Sky Survey, C/2013 US10 is an Oort Cloud comet making its first foray into the inner solar system. Currently dashing northward through the constellation Boötes, Comet Catalina passes within ½ degree of Arcturus, the brightest star of the northern sky, on the morning of 1 January 2016.
Early on the evening of Wednesday, 23 December, observers in the British Isles can see the 13-day-old waxing gibbous Moon pass in front of first-magnitude Aldebaran — the ‘Eye of the Bull’ in Taurus — the brightest star to be occulted for UK observers in 2015. Here’s our observing guide to this readily observable event in large binoculars and small telescopes.
As darkness descends on 25 December 2015, a rather special Moon can be seen rising in the east, since this is the first full Moon to occur on Christmas Day since 1977. Let us hope that the weather is favourable, for we have rather a long wait until the next — 2034. Season’s greetings from everyone at Astronomy Now!
The Geminids of 8—17 December are widely regarded as the most active and consistent annual meteor shower, with peak predicted rates of 100 shooting stars per hour under dark skies. With new Moon occurring on Friday, 11 December, prospects for this year’s Geminid display are therefore expected to be very favourable — UK weather permitting!
Comet Catalina (C/2013 US10) is currently a morning object in Virgo low in the southeast before dawn twilight for UK observers. The comet has a photogenic close encounter with Venus and the waning crescent Moon on the mornings of 7—8 December, then rapidly heads north through the constellation Boötes for a closer brush with Arcturus on New Year’s Day.
In the dawn twilight of Friday, 4 December observers in the British Isles and Western Europe can see the 23-day-old waning crescent Moon just 2.5 degrees (half a 10×50 binocular field of view) below largest planet Jupiter in the constellation Leo high in the southern sky. And if you have a telescope, Jupiter’s largest moon plays hide and seek.
Early risers in the northeast of England and Scotland with clear skies can see naked-eye star lambda (λ) Geminorum, otherwise known as Alkibash, slip behind the southern polar regions of an 18-day-old waning gibbous Moon close to 5am GMT on Sunday, 29 November. However, for a select number of northern observers this will be a special grazing lunar occultation.
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