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Month: April 2017

Geminus: Moon Crater with Terraced Walls and Small Central Peaks

Geminus: Moon Crater with Terraced Walls and Small Central Peaks

The week of April 24-30 takes us from lunar Day 28 through the end of Day 5. This week we will highlight the crater Geminus, visible on Saturday. Geminus: [NE/F15] Roughly 200 miles north of Mare Crisium* you will find

Andrew Planck April 24, 2017April 23, 2017 Craters on the Moon, Lunar Days in April No Comments Read more

Valentine Dome on the #Moon

Valentine Dome

The week of April 17 – 23 takes us from Lunar Day 20 to 27, so the Moon would have to be viewed in the wee hours before sunrise. This week we will highlight what is informally called the Valentine

Andrew Planck April 17, 2017April 16, 2017 Lunar Days in April, Saturn No Comments Read more

Full Moon to Lunar Day 20: Impressive Cape, Crater Chain and Comet Lovejoy

Full Moon to Lunar Day 20: Impressive Capes, Crater Chains and Comet Lovejoy

The week of April 10 – 16 takes us from lunar Day 14, full moon, to Day 20. This week we will highlight the crater Humboldt on Tuesday evening (you might try Monday to see if there’s enough contrast), and

Andrew Planck April 10, 2017April 9, 2017 Craters on the Moon, Lunar Days in April No Comments Read more

Ariadaeus: One of the Best Known Rilles on the Moon

Rima Ariadaeus

The week of April 3 – 9 takes us from the end of lunar Day 7 into Day 13, just before full moon. This week we will concentrate on Rima Ariadaeus, viewable on Monday evening. This information has been repeated

Andrew Planck April 3, 2017April 2, 2017 Lunar Days in April, Rilles 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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