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Archives

125-2 BL86-1

The close approach of asteroid (357439) 2004 BL86

On 2015 January 26, the 300m diameter asteroid 2004 BL86 approached to within 3.1 lunar distances of Earth: the closest

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vorwerp

Galaxies in Leo Minor

Leo Minor is another poorly observed constellation, which is a pity as it contains a large number of interesting galaxies.

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devey

Using time-lapse techniques to observe the Sun

 I have been a keen solar observer since 2004 and imager since 2005 and, like the majority of solar observers,

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holt

Exploring the deep sky around the Water Snake

At this time of year the constellation Hydra, the Water Snake, starts to come into view. Remarkably it is the

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fueldump

‘Comet-like’ rocket fuel dump observed from the British Isles

 Between 05:05 and 06:10 UTC on 2014 Dec 13 a comet-like object moving northwards through Serpens and into Corona Borealis

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ic342

Deep Sky objects in the winter sky

With all the lovely deep sky objects to observe in the south, for example in Orion, it might seem perverse

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124-6 spectrum

Meteors in a new light

Modern astronomy is now recording and analysing meteors as never before. Equipment is available off the shelf and at a

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cent

Centenaries for 2015

  (Login or click above to view the full article in PDF format)

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A spectrum and image of comet 2014 E2 (Jacques)

A spectrum of comet 2014 E2 (Jacques) captured by David Boyd

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Phenomena of Jupiter’s satellites in 2014-’15

During the 2014-’15 apparition, the Jupiter system will be edge-on to the Earth and Sun, which allows observers to see fascinating phenomena of the Galilean moons.

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