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Astronomer, Teacher, Musician

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Month: December 2016

The Old Moon in the New Moon’s Arms & Endymion

Moon Crater Endymion

The week of Dec. 26-Jan.1 takes us from Lunar Day 27 to Day 3 when the Moon will be just 3.5° away from Venus and you should be able to see both objects in your binoculars. Even with your naked

Andrew Planck December 26, 2016December 26, 2016 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in December No Comments Read more

History of #MoonCrater Cassini

lunar day 21

The week of Dec. 19-25 takes us from Lunar Day 21 to Day 26. On Monday the Moon rises shortly after 11:00 PM and on Christmas Day moonrise is nearly 4:00 AM. This time is reserved for highly dedicated Moon

Andrew Planck December 19, 2016December 19, 2016 Craters on the Moon, Lunar Days in December, Uncategorized No Comments Read more

4 Eye-Catching Items to See On and Around the Moon

Seleucus is an admirable little 27-mile crater sitting by itself on the Procellarum lava plains west of Aristarchus and Herodotus.

[Last week it was suggested that you observe Maurolycus on Monday. Although Maurolycus was just east of the terminator, its rim mountains are so high that its floor was still in shadow. Tuesday would have been a better day to

Andrew Planck December 12, 2016December 12, 2016 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in December No Comments Read more

Complex Moon Craters with Terraced Walls

Complex Moon Craters with Terraced Walls

The week of Dec. 5-11 takes us from Lunar Day 6 to Day 12, close to Full Moon. This week we will highlight the craters Eudoxus and Maurolycus, visible on Monday. Eudoxus1: [NE/E11] Both Eudoxus and Aristoteles to its north

Andrew Planck December 5, 2016December 4, 2016 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in December 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
Latest posts by Andrew Planck (see all)
  • One of the Moon’s Loveliest Sights – Moon Crater Plato - March 9, 2026
  • Moon Crater Endymion Resembles Plato - March 2, 2026
  • Maurolycus – Moon Crater in the Lunar Highlands - February 23, 2026
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