25 May 2022
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Eta Boötis

Observing

Watch asteroid Pallas’ close brush with star Eta Boötis near Arcturus on 10 April

4 April 2019 Ade Ashford

For ten nights starting 5 April 2019, asteroid 2 Pallas and unmistakable Arcturus – the northern celestial hemisphere’s brightest star – lie within the same field of view of typical 8× binoculars. Also, don’t miss magnitude +7.9 Pallas’s very close conjunction with magnitude +2.7 star eta (η) Boötis at 22h UT (11pm BST) on the night of 10 April.

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News Headlines

  • Milky Way’s supermassive black hole shines in stunning first portrait

    12 May 2022
  • Webb optical alignment complete and virtually perfect

    9 May 2022
  • Ingenuity zooms over Mars rover’s discarded parachute and backshell

    2 May 2022
  • The largest comet ever seen has been measured – and it’s a whopper

    14 April 2022
  • Webb optics alignment achieves near perfect focus

    21 March 2022
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