This Week in Astronomy with Dave Eicher: The Moon and the Pleiades

Watch our lone natural satellite pass by one of the sky’s best star clusters.
By | Published: September 8, 2025

Gemini Sparkle

Key Takeaways:

  • Astronomy magazine's Editor Emeritus, Dave Eicher, encourages early morning sky observation during the second week of September.
  • The observation focuses on the Moon's passage near the Pleiades star cluster (M45).
  • The Pleiades, described as resembling a small dipper, is noted for its brightness, allowing visibility even with a nearby bright Moon.
  • The event is presented as an opportunity for astronomical observation, with a positive outlook for success.

In this episode, 
Astronomy
 magazine Editor Emeritus Dave Eicher invites you to head out during the early morning hours the second week of September. It’s then when you’ll see the Moon pass by the Pleiades star cluster. Also known as M45, this group of stars resembles a tiny dipper. The Pleiades is bright, so you’ll see it even with a bright Moon nearby. Good luck!