Andrew Planck

Astronomer, Teacher, Musician

Menu

  • Home
  • About
  • Shop
    • Cart
    • Checkout
  • Blog
  • Services
  • Resources
  • Contact

Clavius

Clavius – Moon Crater Floor Strewn with Craterlets

Clavius – Moon Crater Floor Strewn with Craterlets

The week of December 22-28 takes us from Day 3 to Day 9. This week we will highlight the moon crater Clavius, visible on Sunday night close to the terminator. Clavius: [SW/Q8; L=14°W] If you catch the Moon at the

Andrew Planck December 22, 2025December 9, 2025 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in December, Moon craters No Comments Read more

Clavius – Moon Crater Strewn with Craterlets

Clavius – Moon Crater Strewn with Craterlets

The week of June 16-22 takes us from Day 21 to Day 27. This week we will highlight the moon crater Clavius, visible on Tuesday night close to the terminator. Clavius: [SW/Q8] Sunset over Clavius is something that you don’t

Andrew Planck June 16, 2025June 14, 2025 Celestial Events, chain of moon craters, Craters on the Moon, Night Sky Observations, Saturn No Comments Read more

Tycho – One of the Moon’s Showpieces

Tycho – One of the Moon’s Showpieces

The week of May 5-11 takes us from Day 8 to Day 14. This week we will highlight the moon crater Tycho, visible on Tuesday night. Tycho:1 [SW/P8; L=11°W] Tycho is one of the Moon’s showpieces, both on Day 8

Andrew Planck May 5, 2025April 30, 2025 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in May, Moon craters No Comments Read more

Total Lunar Eclipse (“Blood Moon”) and Crater Clavius

Total Lunar Eclipse (“Blood Moon”) and Crater Clavius

The week of Jan. 14-20 takes us from Day 8 to Day 14. This week we will highlight the crater Clavius. Clavius: [SW/Q8] If you catch the Moon early in Day 8 when the terminator is around 15° (i.e., it

Andrew Planck January 14, 2019January 13, 2019 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in January, Unusual Features on the Moon No Comments Read more

Categories

Fill out my online form.

It is highly recommended that you get a copy of Sky and Telescope's Field Map of the Moon, the very finest Moon map available for use at the telescope. It is available for $10.95 at www.skyandtelescope.com and on Amazon. All features mentioned in this blog will be keyed to the grid on the Field Map and will look like this: Plato: [NW/D9]

Credits: Courtesy of Gray Photography of Corpus Christi, Texas Lunar photos: NASA / USGS / BMDO / LROC / ASU / DLR / LOLA / Moon Globe. Used by permission

  • Author
  • Recent Posts
Andrew Planck
Andrew Planck
Author and Astronomer Andrew Planck shepherds you to the moon and its mysteries of intrigue and surprise. Learn about the moon’s most fascinating objects, understand how the moon was formed and the names of many of the craters … and why they honor individuals who have changed the course of history.
Andrew Planck
Latest posts by Andrew Planck (see all)
  • Sinus Iridum – The Bay of Rainbows Located in the Northwest Sector of Mare Imbrium - February 9, 2026
  • Moon Crater Endymion - February 2, 2026
  • Moon Crater Plato - January 26, 2026
Copyright © 2026 Andrew Planck. Powered by WordPress. Theme: Spacious by ThemeGrill.