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Lunar Days in July

The Most Spectacular Feature on the Moon

Montes Apenninus on the moon and Apennine Mountain Range

The week of July 24 – July 30 takes us from Day 7 to Day 13. This week we will highlight the Apennine Mountains, viewable on Tuesday evening. Montes Apenninus: [NW/H9-G10; L=4°W] The Apennine Mountain Range is the most spectacular

Andrew Planck July 24, 2023July 19, 2023 Dates to Observe Objects on the Moon, Lunar Days in July, Mountain Ranges on the Moon 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

Moon Craters in Fra Mauro Region Critical to Understanding Important Process That Shaped the Moon

Fra Mauro region on the moon

The week of July 10 – July 16 takes us from Day 22 to Day 29. This week we will highlight moon craters in the Fra Mauro region, viewable before sunrise on Tuesday. Fra Mauro region: [SW/K8; L=17°W] Moon craters

Andrew Planck July 10, 2023July 6, 2023 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in July, 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

Pythagoras: Complex Moon Crater with Two Central Mountain Peaks

Pythagoras complex moon crater

This week we will highlight the moon crater Pythagoras, viewable on Tuesday evening. Pythagoras1 : [NW/C3; L=63°W] There is only a brief period during each lunation when Pythagoras is visible. It is a complex crater with two central mountain peaks,

Andrew Planck July 11, 2022July 11, 2022 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in July, Unusual Features on the Moon No Comments Read more

“Valentine Dome” on the Moon located near Mare Serenitatus

Valentine Dome located on the moon in the N.W. section of Mare Serenitatus

This week we will highlight a feature informally called the “Valentine Dome” located in the N.W. section of Mare Serenitatus. Valentine Dome: [NE/F11; L=10°E] Keep a close eye on the movement of the terminator, and when it just touches the

Andrew Planck July 4, 2022June 29, 2022 Domes on the Moon, Lunar Days in July, Unusual Features on the Moon No Comments Read more

The Two Largest Intact Moon Craters: Peirce and Picard

Mare Crisium on the moon showing Peirce and Picard

The week of July 26 – August 1 takes us from Lunar Day 18 to Day 23. This week we will highlight the moon craters Peirce and Picard, viewable early Tuesday morning. Peirce & Picard: [NE/H15] The two largest intact

Andrew Planck July 26, 2021July 31, 2021 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in July No Comments Read more

Moon Crater Schiller is a Curiosity

moon crater Schiller

The week of July 19-25 takes us from Lunar Day 10 to Day 17. This week we will highlight the crater Schiller, viewable Tuesday and Wednesday night in the SW quadrant. Schiller: [SW/Q6] Schiller is a curiosity. It has the

Andrew Planck July 19, 2021July 19, 2021 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in July, 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)
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  • Moon Crater Bailly – Over 3 Billion Years Old - June 1, 2026
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