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Lunar Days in February

Most Spectacular Feature on the Moon – Apennine Mountain Range

Apennine Mountain Range on the moon most spectacular feature

The week of February 12-18 takes us from Day 3 to Day 9. This week we will highlight Montes Apenninus, located in the NW quadrant of the field map and viewable on Friday evening. Montes Apenninus: The Apennine Mountain Range

Andrew Planck February 12, 2024February 9, 2024 Dates to Observe Objects on the Moon, Lunar Days in February, Mountain Ranges on the Moon No Comments Read more

The Bay of Rainbows on the Moon – Sinus Iridum

Sinus Iridum on the moon - the Bay of Rainbows

The week of February 5-11 takes us from Day 25 to Day 2. This week we will highlight Sinus Iridum, viewable on Tuesday. Sinus Iridum: [NW/E6; L=32°W] Sinus Iridum (the Bay of Rainbows), located in the northwest sector of Mare

Andrew Planck February 5, 2024January 31, 2024 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in February, Moon craters, Subsidence on the Moon, Wrinkle Ridge on the moon No Comments Read more

Moon Crater Fracastorius – Best Example of Subsidence

Mare Nectaris shore on moon location of Fracastorius

The week of January 29 – February 4 takes us from Day 18 to Day 24 This week we will highlight the moon crater Fracastorius, viewable on Tuesday. Fracastorius: [SE/M13; L=33°E] Located on the south shore of Mare Nectaris, this

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

Bullialdus: The Most Conspicuous Moon Crater on Mare Nubium

Bullialdus and Bullialdus A on the moon

The week of February 27 – March 5 takes us from Lunar Day 8 to Day 14. This week we will highlight the moon crater Bullialdus, located in the SW quadrant of the Field Map and viewable on Wednesday night.

Andrew Planck February 27, 2023February 26, 2023 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in February No Comments Read more

Rima Ariadaeus – Ariadaeus Rille

Rima Ariadaeus

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

Longomontanus is Exception to the Rule Regarding Moon Craters

Longomontanus moon crater

The week of February 13-19 takes us from Lunar Day 22 to Day 29. This week we will highlight the moon crater Longomontanus, located in the SW quadrant of the Field Map and viewable on Tuesday night. Longomontanus: [SW/P7; L=22°W]

Andrew Planck February 13, 2023February 12, 2023 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in February, Moon craters No Comments Read more

Vallis Rheita: Series of Interlocking Moon Craters

Rheita Valley on the moon

The week of February 6-12 takes us from Lunar Day 16 to Day 21. This week we will highlight Vallis Rheita, located in the SE quadrant of the Field Map and viewable on Tuesday night. Vallis Rheita: [SE/N14; L=52°E] At

Andrew Planck February 6, 2023February 6, 2023 chain of moon craters, Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in February No Comments Read more

Two Largest Intact Moon Craters on Mare Crisium: Peirce and Picard

Peirce & Picard Intact Moon Craters

The week of February 28 – March 6 takes us from Day 27 to Day 4. This week we will highlight moon craters Peirce & Picard, which are viewable on Sunday evening. Peirce & Picard: [NE/H15; L=54°E] The two largest

Andrew Planck February 28, 2022February 27, 2022 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in February, Lunar Days in March No Comments Read more

Moon Crater Cassini – Created on Imbrium Floor Before Lavas Started to Flow

Moon Crater Cassini created on Imbrium floor

The week of February 21-27 takes us from Day 20 to Day 26. This week we will highlight the moon crater Cassini, viewable early Tuesday morning in the NE quadrant of the Field Map. Cassini: [NE/E10; L=5°E] Can you tell

Andrew Planck February 21, 2022February 20, 2022 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in February, Unusual Features on the Moon No Comments Read more

The Flying Eagle on the Moon: Wrinkle Ridge Dorsum Oppel

wrinkle ridge Dorsum Oppel on the moon

The week of February 14-20 takes us from Day 13 to Day 19. This week we will highlight the wrinkle ridge Dorsum Oppel, a feature informally known as “the Flying Eagle,” viewable on Thursday & Friday night. The Flying Eagle:

Andrew Planck February 14, 2022February 14, 2022 Lunar Days in February, Uncategorized, Unusual Features on the Moon, Wrinkle Ridge 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
Latest posts by Andrew Planck (see all)
  • Moon Crater Endymion Resembles Plato - March 2, 2026
  • Maurolycus – Moon Crater in the Lunar Highlands - February 23, 2026
  • Moon Craters Langrenus and Vendelinus – First Two Segments of the Great Eastern Chain - February 16, 2026
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