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Astronomer, Teacher, Musician

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Month: July 2016

Rima Hyginus Moon Crater: July 25-31 – Craters, Mountains, and Valleys Are Set off With Astonishing Detail

Rima Hyginus

The week of July 25th – July 31st takes us from lunar Day 21 through Day 27. On Monday the Moon doesn’t rise until about midnight, so this week’s Moon observers must be night owls. The next few days are

Andrew Planck July 25, 2016July 24, 2016 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in July, Rilles on the Moon 1 Comment Read more

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

Janssen moon crater

The week of July 18th – July 24th takes us from the end of lunar Day 14 to the beginning of Day 20. Monday and Tuesday are virtually full moons, and there is very little contrast to set off the

Andrew Planck July 18, 2016July 18, 2016 Constellations, Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in July No Comments Read more

Rimae Triesnecker: One of the Moon’s Many Enigmas

Rimae Triesnecker

The week of July 11th – July 17th takes us from lunar Day 7 through the end of Day 12. Monday at 8:52 PM EDT is the moment of true dichotomy. At that time the terminator (the shadow line) splits

Andrew Planck July 11, 2016July 11, 2016 Enigma of the Moon, Rilles on the Moon, Saturn No Comments Read more

Rheita Valley: The Longest Distinct Valley on the Moon

Rheita Valley is the longest distinct valley on the Moon

The week of July 4th – July 10th takes us from lunar Day 1 through Day 6. The first three days are not very satisfying (wait until Days 17-19 to get better views of the features on these days). This

Andrew Planck July 4, 2016July 4, 2016 Craters on the Moon, Lunar Days in July, Valleys 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
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