Andrew Planck

Astronomer, Teacher, Musician

Menu

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

Sinus Asperitatis

Imposing Trio of Moon Craters

Imposing Trio of Moon Craters

The week of March 17-23 takes us from Lunar Day 18 to Day 24. This week we will highlight the moon craters Theophilus, Cyrillus, and Catharina, visible on Tuesday night close to the terminator. Theophilus, Cyrillus, Catharina: [SE/L12; L=24°E] This

Andrew Planck March 17, 2025March 17, 2025 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in March, Moon craters No Comments Read more

Trio of Moon Craters, Theophilus, Cyrillus,and Catharina

Trio of Moon Craters, Theophilus, Cyrillus,and Catharina

The week of December 30-Jan 5 takes us from Lunar Day 0 to Day 6. This week we will highlight the trio of moon craters, Theophilus, Cyrillus,and Catharina, visible on Saturday night. Theophilus, Cyrillus, Catharina: [Repeated from Day 5–SE/L12; L=24°E]

Andrew Planck December 30, 2024December 6, 2024 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in December, Moon craters No Comments Read more

West of Mare Nectaris: Moon Craters Theophilus, Cyrillus, and Catharina

West of Mare Nectaris: Moon Craters Theophilus, Cyrillus, and Catharina

The week of August 5-11 takes us from Day 1 to Day 7. This week we will highlight the trio of moon craters Theophilus, Cyrillus, and Catharina located in the SE quadrant of the Field Map at L12 and viewable

Andrew Planck August 5, 2024August 2, 2024 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in August, Moon craters No Comments Read more

Trio of Moon Craters: Theophilus, Cyrillus, Catharina

Trio of Moon Craters: Theophilus, Cyrillus, Catharina

The week of March 11-17 takes us from Day 2 to Day 8. This week we will highlight moon craters Theophilus, Cyrillus, and Catharina viewable on Saturday night. Theophilus, Cyrillus, Catharina: [Repeated from Day 5–SE/L12; L=24°E] This is the most

Andrew Planck March 11, 2024March 9, 2024 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in March No Comments Read more

Theophilus, Cyrillus, Catharina – The Most Imposing Trio of Craters on the Moon

Theophilus, Cyrillus, Catharina – The Most Imposing Trio of Craters on the Moon

The week of December 11-17 takes us from Day 29 to Day 6. This week we will highlight the moon craters Theophilus, Cyrillus, and Catherina, viewable on Sunday evening. Theophilus, Cyrillus, Catharina: [SE/L12] This is the most imposing trio of

Andrew Planck December 11, 2023December 9, 2023 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in December No Comments Read more

The Most Imposing Trio of Craters on the Moon

The Most Imposing Trio of Craters on the Moon

The week of July 17 – July 23 takes us from New Moon to Day 6. This week we will highlight the trio of craters Theophilus, Cyrillus, and Catharina, viewable on Sunday night. Theophilus, Cyrillus, Catharina: [SE/L12; L=24°E] This is

Andrew Planck July 17, 2023July 19, 2023 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in July, Moon craters 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)
  • Clavius – Moon Crater Strewn with Craterlets - June 16, 2025
  • Furnerius – Southernmost Moon Crater That Makes Up the Great Eastern Chain - June 9, 2025
  • Albategnius – 85 mile Complex Moon Crater - June 2, 2025
Copyright © 2025 Andrew Planck. Powered by WordPress. Theme: Spacious by ThemeGrill.