Andrew Planck

Astronomer, Teacher, Musician

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new moon

Mare Nectaris – Multi-Ring Basin on the Moon

Mare Nectaris – Multi-Ring Basin on the Moon

The week of September 2-8 takes us from Day 29 to Day 6. This week we will highlight Mare Nectaris, located in the SE quadrant of the Field Map at L13 and viewable on Saturday and Sunday nights. Mare Nectaris:

Andrew Planck September 2, 2024August 22, 2024 Lunar Days in September, Moon Basin No Comments Read more

One of the Moon’s Best Examples of Subsidence: Moon Crater Fracastorius

One of the Moon’s Best Examples of Subsidence: Moon Crater Fracastorius

The week of March 20-26 takes us from Day 29 to Day 6 This week we will highlight the moon crater Fracastorius, located in the SE quadrant of the Field Map and viewable on Sunday night. Fracastorius: [SE/M13; L=33°E] Located

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

Why We Have Seasons and How it Affects the Moon

Why We Have Seasons and How it Affects the Moon

The week of April 1-7 takes us from lunar Day 26 to Day 2. This week the Moon is, for all practical purposes, not viewable. On Monday morning, it rises during bright morning twilight, and on Sunday evening, April 7,

Andrew Planck April 1, 2019March 31, 2019 Lunar Days in April No Comments Read more

The Glow of Earthshine on the #Moon

The Glow of Earthshine on the #Moon

The week of July 9-15 takes us from Day 26 to Day 3. Because the week straddles New Moon, which is on Thursday, there are no days which are particularly good for viewing the Moon. However, one of the loveliest

Andrew Planck July 9, 2018July 9, 2018 Dates to Observe Objects on the Moon, Lunar Days in July, Mars, Unusual Features on the Moon No Comments Read more

Crater Kepler has Impressive System of Splash Rays on Moon

Crater Kepler has Impressive System of Splash Rays on Moon

The week of February 20-26 takes us from Day 24 to New Moon. This week we will highlight the crater Kepler, visible on Monday only. The Moon doesn’t rise on Monday until around 2:00 A.M., so viewing the Moon this

Andrew Planck February 20, 2017February 20, 2017 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in February No Comments Read more

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