Andrew Planck

Astronomer, Teacher, Musician

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Subsidence on the Moon

Sinus Iridum – the Bay of Rainbows – Crater on the Moon

Sinus Iridum – the Bay of Rainbows – Crater on the Moon

The week of August 12-18 takes us from Day 8 to Day 15 This week we will highlight Sinus Iridum, located in the NW quadrant of the Field Map at E6 and viewable on Wednesday night. Sinus Iridum: [NW/E6; L=32°W]

Andrew Planck August 12, 2024August 9, 2024 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in August, Subsidence on the Moon, Wrinkle Ridge on the moon No Comments Read more

Subsidence on the Moon – Moon Crater Fracastorius

Subsidence on the Moon – Moon Crater Fracastorius

The week of May 20-26 takes us from Day 13 to Day 18. This week we will highlight the moon crater Fracastorius, viewable on Saturday evening, May 25, Day 18 and located in the SE quadrant of the Field Map

Andrew Planck May 20, 2024May 17, 2024 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in May, Moon craters, Subsidence on the Moon, Uncategorized No Comments Read more

The Bay of Rainbows on the Moon – Sinus Iridum

The Bay of Rainbows on the Moon – Sinus Iridum

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

The Bay of Rainbows, Sinus Iridum, on the Moon

The Bay of Rainbows, Sinus Iridum, on the Moon

The week of September 5-11 takes us from Lunar Day 10 to Day 17. This week we will highlight Sinus Iridum, viewable on Tuesday evening. Sinus Iridum: [NW/E6] Sinus Iridum (the Bay of Rainbows), located in the northwest sector of

Andrew Planck September 5, 2022August 30, 2022 Dates to Observe Objects on the Moon, Lunar Days in September, Lunar Observers, Subsidence on the Moon No Comments Read more

Mare Humorum: One of the Best Examples of Subsidence on the Moon

Mare Humorum: One of the Best Examples of Subsidence on the Moon

The week of April 11-17 takes us from Day 10 to Day 16. This week we will highlight Mare Humorum on the moon, viewable on Tuesday evening. Mare Humorum: [SW/M6] The Humorum basin is one of the best examples of

Andrew Planck April 11, 2022April 11, 2022 Dates to Observe Objects on the Moon, Lunar Days in April, Subsidence on the Moon No Comments Read more

Moon Craters Posidonius and le Monnier – Examples of Subsidence

Moon Craters Posidonius and le Monnier – Examples of Subsidence

The week of March 7-13 takes us from Day 5 to Day 11. This week we will highlight moon craters Posidonius and le Monnier, viewable on Tuesday evening. Posidonius/le Monnier: [NE/F-G13; L=30°E] There are only two craters of any consequence

Andrew Planck March 7, 2022 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in March, Subsidence on the Moon No Comments Read more

Most Spectacular Example of Subsidence on the Moon: Sinus Iridum

Most Spectacular Example of Subsidence on the Moon: Sinus Iridum

The week of January 10-16 takes us from Day 9 to Day 14. This week we will highlight Sinus Iridum, viewable on Wednesday and Thursday evenings. Sinus Iridum: [NW/E6; L=32°W] Sinus Iridum (the Bay of Rainbows), located in the northwest

Andrew Planck January 10, 2022January 9, 2022 Dates to Observe Objects on the Moon, Lunar Days in January, Subsidence on the Moon No Comments Read more

Sinus Iridum on the Moon: The Bay of Rainbows

Sinus Iridum on the Moon: The Bay of Rainbows

The week of December 13-19 takes us from Day 10 to Day 16. This week we will highlight Sinus Iridum, located in the northwest sector of Mare Imbrium. Sinus Iridum: [NW/E6] Sinus Iridum (the Bay of Rainbows) formed after the

Andrew Planck December 13, 2021December 12, 2021 Lunar Days in December, Subsidence on the Moon No Comments Read more

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