The week of June 13-19 takes us from Day 14 to Day 20. This week we will highlight the feature known as Promontorium Agarum on Mare Crisium, viewable in the early morning hours of Wednesday, June 15.

Promontorium AgarumPromontorium Agarum: [NE/H16; L=66°E] an impressive cape on the S.E. edge of Crisium. It has peaks that tower several thousand feet above its floor. LTP’s 1 have occasionally been reported in this region, especially right after sunrise.

OF ADDITIONAL INTEREST IN SPACE:

Tuesday is the first supermoon of 2022. A supermoon is a full moon that nearly coincides with perigee – the closest that the Moon comes to the Earth in its elliptical orbit – resulting in a slightly larger-than-usual apparent size of the lunar disk.


1lunar transient phenomenon (LTP): A lunar transient phenomenon is a short-lived change in the appearance of the lunar surface. LTP’s are usually variations in lighting (either sudden or gradual) or color. They often manifest themselves as obscurations, foggy patches, etc. Enough LTP reports have been made by reputable individuals that scientists have reluctantly conceded that such things do occur.

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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

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
Promontorium Agarum and the First Supermoon of 2022
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