Andrew Planck

Astronomer, Teacher, Musician

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Longomontanus

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

Crater Longomontanus on the Moon

Crater Longomontanus on the Moon

The week of April 1-7 takes us from Day 22 to 28. This week we will highlight the moon crater Longomontanus, viewable on Tuesday morning before sunrise. Longomontanus: [SW/P7; L=22°W] Take a look at Longomontanus and before reading further, decide

Andrew Planck April 1, 2024March 16, 2024 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in April No Comments Read more

Moon Craters Maginus and Catena Davy

Moon Craters Maginus and Catena Davy

The week of November 18-24 takes us from Day 21 to Day 27. This week we will highlight the crater Maginus and Catena Davy viewable after midnight on Tuesday. Maginus: [SW/Q9; L=6°W] Located at the eastern tip of the diamond

Andrew Planck November 18, 2019November 18, 2019 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in November, 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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