Andrew Planck

Astronomer, Teacher, Musician

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Sky and Telescope

Rima Ariadaeus – Ariadaeus Rille

Rima Ariadaeus – Ariadaeus Rille

The week of February 20-26 takes us from Lunar Day 1 to Day 7. This week we will highlight Rima Ariadaeus, located in the NE quadrant of the Field Map and viewable on Sunday night. Ariadaeus: [NE/J11; L=17°E] The Ariadaeus

Andrew Planck February 20, 2023February 18, 2023 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in February, Moon craters, Rilles on the Moon, Venus No Comments Read more

The Things You Can Learn about Astronomy in the Kitchen: Cherry Pie and #MoonCrater Pitatus

The Things You Can Learn about Astronomy in the Kitchen: Cherry Pie and #MoonCrater Pitatus

The week of November 27 – December 3rd takes us from the end of Day 8 to Day 15. This week we will highlight the crater Pitatus, visible on Monday night. Pitatus: [SW/M8; L=14°W] For several reasons, Pitatus is one

Andrew Planck November 27, 2017November 27, 2017 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in November 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)
  • Moon Crater Janssen Located 85 miles Southwest of the Rheita Valley - July 7, 2025
  • Albategnius – How to Observe This Stunning Moon Crater Near the Terminator - June 30, 2025
  • Vallis Rheita: The Moon’s Longest Valley and a Stunning Lunar Observation Target This Week - June 23, 2025
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