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Observing
How to safely observe Mercury crossing the Sun on 11 November
On Monday, 11 November 2019 just after 12:30pm GMT, suitably equipped observers in the British Isles can witness the start of a 3.7-hour spectacle that hasn’t been seen for three-and-a-half years — the silhouette of innermost planet Mercury crossing the face of the Sun. Here’s our online guide to observing this fascinating and comparatively rare event in complete safety.
Observing
Further Jupiter events for UK observers in July 2019
July opens with Jupiter three weeks after opposition, but the largest planet is still putting on a fine show as an unmistakable magnitude -2.6 object low in the south before midnight in the constellation of Ophiuchus (the Serpent Bearer). With ongoing developments in the Jupiter’s Great Red Spot and plenty of phenomena occurring with the planet’s large Galilean moons, here’s our Jovian observing guide for July 2019.
Observing
Observing
June’s Jupiter events visible from the UK
Jupiter has passed opposition, but the solar system’s largest planet is still putting on a magnificent show in the southern sky at dusk. Backyard telescopes readily reveal its Great Red Spot storm feature and four main moons constantly playing tag. Here’s our full guide to Jovian events visible from the UK in June.
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Mercury and International Space Station transit the Sun
French astrophotographer Thierry Legault travelled to the suburbs of Philadelphia, USA to capture both the International Space Station and planet Mercury transiting the Sun on 9 May. This image includes multiple stacked frames to show the Station’s path in the fraction of a second it took to cross the Sun, while Mercury appears as a black dot at bottom-centre.
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NASA’s Solar Dynamics Observatory’s time-lapse view of the Mercury transit
The 9 May transit of Mercury was widely and successfully observed from large parts of Western Europe, South America and the east of North America. High above the Earth, NASA’s Solar Dynamics Observatory, or SDO, had an uninterrupted view of the entire seven-and-a-half hour event, revealed here in a stunning time-lapse video.
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How to view the transit of Mercury online on 9 May
The 2016 transit of Mercury is upon us! With fine weather predicted across a large swathe of the British Isles, many will enjoy clear skies for at least some of this 7½-hour event. But if you don’t have a suitably equipped telescope, or are unable to attend any of the transit-viewing activities organised nationwide, you can still view the phenomenon online.
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Where to view the transit of Mercury on 9 May
With the transit of Mercury just two days away, interest in this comparatively rare event is growing fast. Given the favourable timing of this 7½-hour phenomenon for the UK, many will be able to view it at lunchtime or after work. If you don’t have suitably equipped telescope, join one of the many transit-viewing activities hosted by astronomical organisations nationwide.
Observing
How and when to observe the transit of Mercury on 9 May
On Monday, 9 May just after midday BST, suitably equipped observers in the British Isles can witness the start of a 7½-hour spectacle that hasn’t been seen for almost a decade — the silhouette of innermost planet Mercury crossing the face of the Sun. Here’s our online guide to observing this fascinating and comparatively rare event in complete safety.