Mare Nectaris: [SE/L13; L=36°E] The Nectaris basin was excavated 3.9 billion years ago. The oldest features on the Moon formed prior to this event. Mare Nectaris is a classic example of a multi-ring basin. Tonight or tomorrow night will reveal Rupes Altai, a high cliff that is a conspicuous fragment of one of the original rings. As the shadows change, try to locate hints of other ring features surrounding Mare Nectaris.
OF ADDITIONAL INTEREST IN SPACE
On Thursday, the Pleiades star cluster will be 3° north of the Moon, and on Friday, Mars will be 4° south of the Moon.
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]
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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