Andrew Planck

Astronomer, Teacher, Musician

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Aristarchus

Moon Basin Grimaldi – Darkest Spot on the Moon

Moon Basin Grimaldi – Darkest Spot on the Moon

The week of October 14-20 takes us from Lunar Day 12 to Day 18. This week we will highlight the basin Grimaldi, visible on Tuesday night. Grimaldi: [SW/K3; L=68°W] In comparison to Aristarchus (Day 11), which is the brightest spot

Andrew Planck October 14, 2024October 11, 2024 Dates to Observe Objects on the Moon, Lunar Days in October, Moon Basin No Comments Read more

Moon Crater Kepler: Rays Intertwine with Copernicus and Aristarchus

Moon Crater Kepler: Rays Intertwine with Copernicus and Aristarchus

The week of April 25 – May 1st takes us from Day 25 to Day 1. This week we will highlight the moon crater Kepler, viewable before sunrise on Tuesday. Kepler1: [NW/J6; L=38°W] Kepler is a substantial 20-mile crater with

Andrew Planck April 25, 2022April 24, 2022 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in April, Unusual Features on the Moon 1 Comment Read more

Features of Moon Crater Seleucus and Bailly

Features of Moon Crater Seleucus and Bailly

The week of June 21-27 takes us from Lunar Day 12 to Day 19. This week we will highlight the craters Seleucus and Bailly, viewable on Wednesday night. Seleucus1: [NW/G3] Seleucus is an admirable little 27-mile crater sitting by itself

Andrew Planck June 21, 2021June 21, 2021 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in June 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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