23 March 2023
Astronomy Now
  • Home
  • The Magazine
    • About
    • Current Issue
    • Subscribe
    • Renew Subscription
      • March last issue
      • April last issue
      • May last issue
  • AstroFest 2023
  • News
  • Observing
    • UK Sky Chart
    • Almanac
    • Scope Calc
    • DSLR Calc
  • Reviews
    • Equipment
    • Book Reviews
  • Spaceflight Now
  • Shop
  • Contact Us
    • Subscriptions
    • Your Views
    • Ask Astronomy Now
    • Editorial
    • Advertising
Latest News
  • [ 23 March 2023 ] A simpler, more mundane explanation for ‘Oumuamua’s strange behaviour News
  • [ 22 March 2023 ] Japanese Hakuto-R moon lander slips into lunar orbit News
  • [ 21 March 2023 ] Analysis of Magellan data shows apparent volcanic activity on Venus News
  • [ 23 February 2023 ] Webb images M92, one of the Milky Way’s oldest globular clusters News
  • [ 20 February 2023 ] The Eskimo: observe one of winter’s best planetary nebulae News
  • Twitter
  • Facebook

2017 CS

Observing

Watch near-Earth asteroid 2017 CS dash across the northern sky 28 May—1 June

23 May 2017 Ade Ashford

Five hundred-metre-wide asteroid 2017 CS passes just 1.9 million miles, or 7.9 lunar distances, from Earth on the afternoon of Monday 29 May 2017. For a few nights around this date, Northern Hemisphere observers with 6-inch and larger ‘scopes can see the asteroid gallop through the constellations of Canes Venatici, Boötes and Hercules at up to 14 degrees/day.

Astronomy Now NewsAlert

Get the latest astronomical news and stargazing tips delivered to your inbox.

News Headlines

  • A simpler, more mundane explanation for ‘Oumuamua’s strange behaviour
    23 March 2023
  • Japanese Hakuto-R moon lander slips into lunar orbit
    22 March 2023
  • Analysis of Magellan data shows apparent volcanic activity on Venus
    21 March 2023
  • Webb images M92, one of the Milky Way’s oldest globular clusters
    23 February 2023
  • The Eskimo: observe one of winter’s best planetary nebulae
    20 February 2023
  • Home
  • The Magazine
    • About
    • Current Issue
    • Subscribe
    • Renew Subscription
      • March last issue
      • April last issue
      • May last issue
  • AstroFest 2023
  • News
  • Observing
    • UK Sky Chart
    • Almanac
    • Scope Calc
    • DSLR Calc
  • Reviews
    • Equipment
    • Book Reviews
  • Spaceflight Now
  • Shop
  • Contact Us
    • Subscriptions
    • Your Views
    • Ask Astronomy Now
    • Editorial
    • Advertising

© 2019 Pole Star Publications Limited

Astronomy Now