Observing

Seeing double (and triple) in the spring sky

30 April 2019 Ade Ashford

If you’re bemoaning the current dearth of bright planets in the evening sky, or light pollution prevents you from viewing a multitude of spring galaxies, don’t give up – there are always attractively coloured double and multiple stars to view. Join us on a tour of the Northern Hemisphere constellation of Boötes (pronounced Bo-oh-tees), the Herdsman, easily located due to its brightest star, Arcturus.

Observing

Seeing multiple stars: Lyra’s other double-double

29 September 2017 Ade Ashford

The diminutive yet distinctive constellation of Lyra is home to dazzling star Vega, the Ring Nebula (M57) and the celebrated double-double star epsilon (ε) Lyrae. But did you know that Lyra harbours yet another ‘pair of pairs’ that are somewhat easier to resolve in smaller telescopes? Ade Ashford shows you how to locate the beautiful Struve Σ2470 and Σ2474.