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Andrew Planck

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Month: August 2021

Moon Crater Bullialdus and Ghost Crater Lambert-R

moon crater Bullialdus and Lambert-R

The week of August 30 – September 5 takes us from Lunar Day 22 to Day 28. This week we will highlight the moon crater Bullialdus and the ghost crater Lambert-R, immediately above the moon crater Lambert, both viewable around

Andrew Planck August 30, 2021August 28, 2021 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in August No Comments Read more

Moon Craters on Mare Serenitatis: Posidonius and le Monnier

two moon craters on Mare Serenitatis

The week of Aug. 23-29 takes us from Lunar Day 17 to Day 22. This week we will highlight the craters Posidonius and le Monnier, viewable late Thurs. night. Posidonius/le Monnier: [NE/F-G13] There are only two craters of any consequence

Andrew Planck August 23, 2021August 23, 2021 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in August No Comments Read more

Eratosthenes – Complex Moon Crater

Eratosthenes on the moon

The week of August 16-22 takes us from Lunar Day 9 to Day 15. This week we will highlight the moon crater Eratosthanes, viewable Monday night. Eratosthenes: [NW/H8; L=11°W] A large (36-mi.) complex moon crater with terraced walls, central peaks,

Andrew Planck August 16, 2021August 15, 2021 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in August No Comments Read more

Moon Crater Fracastorius: One of the Best Examples of Subsidence

Fracastorius is one of the Moon's best examples of subsidence

The week of August 9-15 takes us from Lunar Day 2 to Day 8. This week we will highlight the crater Fracastorius, viewable Thursday evening. Fracastorius: [SE/M13] Located on the south shore of Mare Nectaris, this is one of the

Andrew Planck August 9, 2021August 7, 2021 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in August, Uncategorized No Comments Read more

Moon Crater Aristarchus: Brightest Spot on the Moon

Aristarchus Plateau on the moon

The week of August 2-8 takes us from Lunar Day 25 to Day 1. This week we will highlight the Aristarchus Plateau and moon crater Aristarchus. Aristarchus Plateau: [NW/G4-5] This plateau is a diamond-shaped feature with straight sides measuring 100

Andrew Planck August 2, 2021July 31, 2021 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in August, Lunar Observers, 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
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