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craterlets

Clavius – Moon Crater Floor Strewn with Craterlets

floor of moon crater Clavius

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

Furnerius – Southernmost of Moon Craters of the Great Eastern Chain

Furnerius on the moon

The week of November 17-23 takes us from Day 28 to Day 4. This week we will highlight the moon crater Furnerius, visible on Sunday night close to the terminator. Furnerius: [SE/N16; L=61°E] This is the southernmost of the moon

Andrew Planck November 17, 2025November 10, 2025 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in November, Moon craters No Comments Read more

Furnerius: Southernmost of the Moon Craters that Make Up the Great Eastern Chain

Furnerius and Petavius on the moon

The week of November 11-17 takes us from Lunar Day 11 to Day 17. This week we will highlight the moon crater Furnerius, visible on Sunday night. Furnerius: [SE/N16; L=61°E] This is the southernmost of the moon craters that make

Andrew Planck November 11, 2024November 7, 2024 chain of moon craters, Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in November, Moon craters No Comments Read more

Catena Davy – Fascinating Moon Crater Chain

Catena Davy moon crater chain

The week of January 1-7 takes us from Day 21 to Day 26. This week we will highlight the Catena Davy viewable on Tuesday night and found in the SW quadrant of the Field Map. Catena Davy: [SW/L9; L=7°W] This

Andrew Planck January 1, 2024December 17, 2023 chain of moon craters, Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in January, Moon craters No Comments Read more

Catena Davy: Moon Crater Chain

Catena Davy: Moon Crater Chain

The week of August 7-13 takes us from Day 21 to Day 27. This week we will highlight Catena Davy on the moon which is viewable Tuesday morning before sunrise. Catena Davy: [SW/L9; L=7°W] This fascinating moon crater chain was

Andrew Planck August 7, 2023July 30, 2023 chain of moon craters, Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in August, Moon craters No Comments Read more

Archimedes: Prominent 50-mile Moon Crater with Terraces

Moon crater Archimedes is a magnificent sight with shadow spires stretching across its internal plains

The week of July 3 – July 9 takes us from Day 15 to Day 22. This week we will highlight the moon crater Archimedes, viewable after midnight on Sunday. Archimedes1: [NW/G9; L=4°W] This is a prominent 50-mile moon crater

Andrew Planck July 3, 2023July 3, 2023 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in July No Comments Read more

The Great Eastern Chain: Series of Moon Craters

Moon crater Furnerius

The week of July 25-31 takes us from Day 27 to Day 3. This week we will highlight a series of craters called the Great Eastern Chain. The Great Eastern Chain: [SE/K-N16; L=61°E] There is a conspicuous chain of large

Andrew Planck July 25, 2022July 25, 2022 chain of moon craters, Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in July, Rilles on the Moon No Comments Read more

Catena Abulfeda: Chain of Moon Craters

moon crater Abulfeda

This week we will highlight the moon crater Abulfeda, viewable early Tuesday morning on Day 21. It is a lunar impact crater located in the central highlands of the Moon. To the northeast is the moon crater Descartes. A chain

Andrew Planck July 18, 2022July 18, 2022 chain of moon craters, Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in July No Comments Read more

Crater Chain on the Moon – Catena Davy

Catena Davy crater chain on the moon

The week of June 6-12 takes us from Day 7 to Day 13. This week we will highlight the crater chain known as Catena Davy. Catena Davy: [SW/L9; L=7°W] This fascinating crater chain was made when a comet or asteroid

Andrew Planck June 6, 2022June 5, 2022 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in June No Comments Read more

Moon Crater Walther and Moon Crater Deslandres

moon craters Walther and Deslandres

The week of June 28 – July 4 takes us from Lunar Day 19 to Day 24. This week we will highlight the craters Walther and Deslandres, viewable after midnight on Wednesday. Walther: [SW/N9] You will find this 87-mile crater

Andrew Planck June 28, 2021June 29, 2021 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in June, Unusual Features on the Moon No Comments Read more
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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

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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)
  • Sea of Crises – First Large Sea to Become Visible on the Waxing Moon - March 16, 2026
  • One of the Moon’s Loveliest Sights – Moon Crater Plato - March 9, 2026
  • Moon Crater Endymion Resembles Plato - March 2, 2026
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