11 April 2026
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  • [ 2 April 2026 ] Witness to history: Artemis II, lunar exploration and hope News
  • [ 25 March 2026 ] Artificial Intelligence uncovers more than 100 new worlds in NASA data News
  • [ 24 March 2026 ] XRISM solves gamma-Cas’s 50-year X-ray mystery News
  • [ 16 March 2026 ] Molten lava world points to new class of planet Focus on
  • [ 26 January 2026 ] Dr Allan Chapman (1946-2026) News
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hyperbolic

Equipment

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.

Observing

Watch Comet Africano (C/2018 W2) pass closest to Earth in late September

23 September 2019 Ade Ashford

At around magnitude +9, C/201 W2 (Africano) is the brightest comet currently on show, passing closest to Earth on 27 September slightly less than half an astronomical unit away. Speeding through the constellations of Pegasus, Pisces and Aquarius, Comet Africano also lies within a binocular field of view of outermost planet Neptune on the night of 3–4 October.

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News Headlines

  • Witness to history: Artemis II, lunar exploration and hope
    2 April 2026
  • Artificial Intelligence uncovers more than 100 new worlds in NASA data
    25 March 2026
  • XRISM solves gamma-Cas’s 50-year X-ray mystery
    24 March 2026
  • Molten lava world points to new class of planet
    16 March 2026
  • Dr Allan Chapman (1946-2026)
    26 January 2026

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