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Month: September 2020

Lunar Swirl Reiner Gamma and Two Overlapping Moon Craters, Struve and Russel

Reiner Gamma is a lunar swirl which has absolutely flat features that cast no shadows but leave enigmatic whorl-like markings on the lunar surface

The week of September 28 – October 4 takes us from Lunar Day 12 to Day 17. This week we will highlight the lunar swirl Reiner Gamma, visible throughout the week starting on Tuesday evening, and the craters Struve/Russel, visible

Andrew Planck September 28, 2020September 28, 2020 Lunar Days in September, Lunar Swirls, Unusual Features on the Moon No Comments Read more

The Most Imposing Trio of Craters on the Moon

moon craters Theophilus, Cyrillus, Catharina

The week of September 21-27 takes us from Lunar Day 5 to Day 11. This week we will highlight the craters Theophilus, Cyrillus, and Catharina, viewable on Tuesday evening. Theophilus, Cyrillus, Catharina: This is the most imposing trio of craters

Andrew Planck September 21, 2020September 20, 2020 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in September No Comments Read more

Burckhardt: Moon Crater with the “Mickey Mouse Ears”

This is the moon crater with the Mickey Mouse ears.

The week of September 14-20 takes us from Lunar Day 27 to Day 4. This week we will highlight the craters Burckhardt and Aristarchus, viewable on Sat. and Sun. evenings. Burckhardt: [NE/F15] This is the crater with the “Mickey Mouse

Andrew Planck September 14, 2020September 14, 2020 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in September, Unusual Features on the Moon No Comments Read more

Sunset Over Clavius is a Don’t Miss Event

On Clavius the crater is so large that the curvature of the Moon pushes the floor's central regions into the sunlight first, and the shadows will reveal a floor that is strewn with craterlets.

The week of September 7-13 takes us from Lunar Day 20 to Day 25. This week we will highlight the crater Clavius, viewable late Tuesday night. Clavius: [SW/Q8] Sunset over Clavius is something that you don’t want to miss! The

Andrew Planck September 7, 2020 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in September, 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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