Astronomy Now – Astronomy Now

SharpStar D 150mm f/2.8 HNT: An imaging telescope with sharp vision

27 May 2020 Ade Ashford

Until comparatively recently, your best tool for capturing wide-angle vistas of extended deep-sky objects with a full-frame DSLR or CCD/CMOS camera was a fast prime lens from one of the big-name players in photography. Now you can attain these swift imaging speeds with hyperbolic Newtonians, such as the SharpStar 15028HNT.

Evidence of Uranus’ leaking atmosphere found hidden in Voyager 2 observations

27 March 2020 Keith Cooper

By going over old data collected by the Voyager 2 spacecraft in 1986, two scientists at NASA’s Goddard Space Flight Center have made the startling discovery that Uranus’ atmosphere is gradually escaping into space.

Peter Grego 1965-2016

20 August 2016 Paul Sutherland

Shortly before the September issue of Astronomy Now went to press, we were shocked and saddened to learn of the sudden and untimely death of Peter Grego, one of this magazine’s long-standing, regular contributors.