Observing

Further Jupiter events for UK observers in July 2019

28 June 2019 Ade Ashford

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

Get ready for prime-time Jupiter and its multi-moon events in June 2019

30 May 2019 Ade Ashford

Jupiter, the solar system’s largest planet, reaches opposition on 10 June in the constellation of Ophiuchus (the Serpent Bearer) and is visible low in the southern sky of the UK through the night. Observers with small to medium aperture telescopes can see a number of shadow transits of Jupiter’s Galilean moons and view the planet’s Great Red Spot throughout June.

Observing

July’s Jupiter events visible from the UK

29 June 2018 Ade Ashford

The start of July finds magnitude -2.3 Jupiter almost two months past opposition and highest in the southern sky around 30 minutes before sunset for observers in the British Isles. The solar system’s largest planet may be past its best, but there still plenty of Jovian events visible from the UK.

Observing

June’s Jupiter events visible from the UK

28 May 2018 Ade Ashford

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.

Observing

See the Moon hide double star Porrima then get close to Jupiter on 3—4 June

2 June 2017 Ade Ashford

Jupiter now lies highest in the UK sky at sunset, but the Solar System’s largest planet and its four bright Galilean moons still provide plenty of observable events during June, as we reveal. If you’re uncertain which evening ‘star’ is Jupiter, the Moon conveniently passes by on the night of 3—4 June, a time when European skywatchers can also see the Moon occult (hide) bright double star Porrima.

News

Annular eclipse: ring of fire over Africa

1 September 2016 Ade Ashford

The annular solar eclipse of Thursday, 1 September 2016 occurs when the Sun is in Leo. Greatest eclipse occurs at 09:06:54 UT, which is just under five-and-a-half days before lunar apogee, which is the Moon’s furthest point from us in its orbit.

News

Freezing effects of Jupiter’s shadow on Io’s volcanic gases revealed

3 August 2016 Astronomy Now

A team of scientists has documented atmospheric changes on Io, Jupiter’s volcanically active satellite, as the giant planet casts its shadow over the moon during daily eclipses. Io’s thin atmosphere collapses as the sulfur dioxide gas emitted from volcanoes freezes when shaded by Jupiter. The atmosphere reforms when Io moves out of eclipse and the ice sublimates.

Observing

Jupiter continues to delight and amaze observers during April

31 March 2016 Ade Ashford

The impact of a small comet or asteroid on Jupiter observed by European amateur astronomers on 17 March has heightened interest in the solar system’s largest planet. While such an event is uncommon, Jupiter and its family of four bright Galilean moons provide a wealth of other interesting phenomena to view with small telescopes during April.

Eclipse

Highlights of 9 March total solar eclipse from Micronesia

9 March 2016 Astronomy Now

Although thick cloud in parts of Indonesia spoiled the view for some along the path of totality, tens of millions more were greeted to spectacular views of the 9 March total solar eclipse. NASA, in partnership with the Exploratorium Science Center, hosted live coverage of the event from the coral island of Woleai in the Pacific Ocean.