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Andrew Planck

Astronomer, Teacher, Musician

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Month: October 2022

Apennine Mountain Range and Rupes Recta, the Straight Wall, on the Moon

The Apennine Mountain Range is the most spectacular feature on the Moon

The week of October 31 – November 6 takes us from Lunar Day 7 to Day 13. This week we will highlight the Apennine Mountain range, located on the Field Map at [NW/G9] and viewable Tuesday evening, and Rupes Recta,

Andrew Planck October 31, 2022October 28, 2022 Dates to Observe Objects on the Moon, Faults on the Moon, Lunar Days in November, Lunar Days in October No Comments Read more

Arago: Unusual Moon Crater and Pair of Large Domes

Arago Domes on the moon

The week of October 24 – 30 takes us from Lunar Day 29 to Day 6. This week we will highlight: Arago: [NE/J12; L=21°E] About 50 miles from the western shore of Tranquillity you will find the crater Arago (16

Andrew Planck October 24, 2022October 22, 2022 Craters on the Moon, Dates to Observe Objects on the Moon, Domes on the Moon, Lunar Days in October, Unusual Features on the Moon No Comments Read more

Lunar Swirl Reiner Gamma – Flat Features That Cast No Shadows

lunar swirl Reiner Gamma on the moon

The week of October 17-23 takes us from Lunar Day 23 to Day 28. This week we will highlight Reiner Gamma and the Struve/Russel crater, visible through Saturday. The week of September 28 – October 4 takes us from Lunar

Andrew Planck October 17, 2022October 22, 2022 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in October, Lunar Swirls No Comments Read more

Mare Crisium Result from Impact of Large Meteor 3.9 Billion Years Ago

Mare Crisium on the moon resulted from the impact of a large meteor 3.9 billion years ago

The week of October 10-16 takes us from Lunar Day 16 to Day 22. This week we will highlight Mare Crisium, viewable Tuesday evening. Mare Crisium: [NE/H15] On Day 17 you should be able to observe Crisium’s complexities more successfully

Andrew Planck October 10, 2022October 10, 2022 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in October No Comments Read more

Moon Crater Bullialdus and Ghost Moon Crater Lambert-R

moon crater Bullialdus and ghost moon crater Lambert

The week of October 3-9 takes us from Lunar Day 7 to Full Moon. This week we will highlight the moon crater Bullialdus and the ghost crater Lambert-R, immediately above the crater Lambert, both viewable on Tuesday evening. Bullialdus: [SW/M7]

Andrew Planck October 3, 2022September 25, 2022 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in September 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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