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Month: April 2024

Rupes Recta – The Straight Wall on the Moon

Rupes Recta fault straight wall

The week of April 29 – May 5 takes us from Day 20 to Day 27. This week we will highlight Rupes Recta, the Straight Wall, viewable early Wednesday morning, Day 22, and located in the SW quadrant of the

Andrew Planck April 29, 2024April 26, 2024 Dates to Observe Objects on the Moon, Faults on the Moon, Lunar Days in April No Comments Read more

Trio of Moon Craters with Distinct Personalities

trio of moon craters

The week of April 22-28 takes us from Day 14 to Day 19. This week we will highlight the moon craters Theophilus, Cyrillus, and Catharina viewable on Sunday morning before sunrise and located in the SE quadrant of the Field

Andrew Planck April 22, 2024April 18, 2024 chain of moon craters, Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in April, Moon craters No Comments Read more

Hippalus Rilles on the Moon

Hippalus Rills on the moon

The week of April 15-21 takes us from Day 8 to Day 13. This week we will highlight Rimae Hippalus, the Hippalus Rilles, viewable on Thursday and Friday evening and located in the SW quadrant of the Field Map at

Andrew Planck April 15, 2024April 12, 2024 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in April, Rilles on the Moon No Comments Read more

Moon Crater Janssen: How New Moon Craters are Superimposed on Top of Older Craters

moon crater Janssen

The week of April 8-14 takes us from Day 29 to Day 6. This week we will highlight the moon crater Janssen, located in the SE quadrant of the Field Map at P13. Janssen: [SE/P13; L=40°E] Janssen is located 85

Andrew Planck April 8, 2024March 22, 2024 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in April, Rilles on the Moon No Comments Read more

Crater Longomontanus on the Moon

Longomontanus crater on moon

The week of April 1-7 takes us from Day 22 to 28. This week we will highlight the moon crater Longomontanus, viewable on Tuesday morning before sunrise. Longomontanus: [SW/P7; L=22°W] Take a look at Longomontanus and before reading further, decide

Andrew Planck April 1, 2024March 16, 2024 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in April 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)
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