13 August 2026
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  • [ 7 August 2026 ] How to observe the 12 August 2026 solar eclipse Eclipse
  • [ 5 August 2026 ] Falcon 9 lunar impact: More than a new crater News
  • [ 25 July 2026 ] Euclid opens a new window on the first billion years of cosmic history News
  • [ 10 June 2026 ] Caught in the act: the wind that could kill a galaxy News
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Deep Sky Challenge

Observing

Five deep-sky challenges for spring

11 April 2023 Mark Armstrong

Local Group member Leo 1 is a dwarf spheroidal galaxy that’s a distant satellite of our own Milky Way Galaxy. It’s one of a number of observing challenges that Leo offers up, though it presents unique difficulties.

Observing

Deep sky challenge: Skull Nebula

9 October 2014 Owen Brazell

Discovered by William Herschel in 1785, NGC 246 is a large planetary nebula in a star-poor area of Cetus. It must have been quite challenging for him to find as he often used high powers and small fields when searching for nebulae.

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News Headlines

  • How to observe the 12 August 2026 solar eclipse
    7 August 2026
  • Falcon 9 lunar impact: More than a new crater
    5 August 2026
  • Euclid opens a new window on the first billion years of cosmic history
    25 July 2026
  • Caught in the act: the wind that could kill a galaxy
    10 June 2026
  • Europe’s Mars rover may land in the remains of a vast ancient water system
    4 June 2026

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