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Andrew Planck

Astronomer, Teacher, Musician

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Month: December 2018

Moon Crater Schiller and the Lunar Dome Gruithuisen Gamma

lunar dome Gruithuisen Gamma

The week of December 31 – January 6 takes us from the end of Day 24 to Day 1. This week we will highlight the crater Schiller and the lunar dome Gruithuisen Gamma, viewable around 4:00 AM on Tuesday morning.

Andrew Planck December 31, 2018December 31, 2018 Craters on the Moon, Dates to Observe Objects on the Moon, Domes on the Moon, Lunar Days in December, Unusual Features on the Moon No Comments Read more

Floor-Fractured Craters on the Moon and Secondary Craters

surrounding material that was ejected from the impact (the secondary craters)

The week of December 24-30 takes us from Day 17 to 23. This week we will highlight the crater Taruntius, viewable on Monday evening. Taruntius: [NE/J14] Located on the north shore of Fertility, Taruntius is a wonderful example of a

Andrew Planck December 24, 2018 Craters on the Moon, Lunar Days in December, Unusual Features on the Moon No Comments Read more

A Sky Viewer’s Delight: Rilles, Craters and Comets

crater Gassendi

The week of December 17-23 takes us from the end of Day 9 through Day 16. This week we will highlight Mare Humorum, the Hippalus rilles, the craters Gassendi, Gassendi A (all viewable on Tuesday evening), and Comet 46/P Wirtanen.

Andrew Planck December 17, 2018December 17, 2018 "Seas" on the Moon, Comets, Lunar Days in December, Mountain Ranges on the Moon, Rilles on the Moon, Unusual Features on the Moon No Comments Read more

Two Significant Areas on the Moon and the Geminid Meteor Shower

Fracastorius

The week of December 10-16 takes us from Day 3 through Day 8. This week we will highlight the crater Fracastorius and Mare Nectaris, the Sea of Nectar, viewable on Wednesday night, and the Geminid meteor shower which will peak

Andrew Planck December 10, 2018December 10, 2018 Comets, Lunar Days in December, Multi-ring basin on the moon, star clusters, Unusual Features on the Moon No Comments Read more

The Brightest Comet this Year and an Admirable Moon Crater

Seleucus

The week of December 3-9 takes us from Day 26 to Day 2. Tuesday morning around 4:00 a.m. will be the only practical opportunity to view the Moon. This week we will highlight the crater Seleucus and Comet 46/P Wirtanen.

Andrew Planck December 3, 2018December 3, 2018 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in December 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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