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Supporting amateur astronomers since 1890

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Archives

Mountains

Name Latitude Longitude Length Height Name origin Mons Agnes 18.66°N 005.34°E 00.65 km 0.3 km Greek feminine name Mons Ampère

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Sinus and Paludus

Latin Name English Name Latitude Longitude Diameter (Km) Palus Epidemiarum Marsh of Epidemics 32.0° S 28.2° W 286 Palus Putredinis

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Maria and Oceanus

  Latin Name English Name Latitude Longitude Diameter (Km) Mare Anguis Serpent Sea 22.6° N 67.7° E 150 km Mare Australe Southern Sea

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Lunar Craters

  A B C D E F G H I J K L M N O P Q R S

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Lunar Occultations

Timing the disappearance and reappearance of celestial objects at the lunar limb. Observing Programme What we do in the lunar

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Maps

Maps Murray, John, Philip’s Moon Map (London, 2015) Sky & Telescope’s Moon Map (Cambridge, MA, 2007) Sky & Telescope’s Mirror-Image

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OBITUARY: Ewen Adair Whitaker

Before the advent of the Space Age the study of our Moon was largely in the hands of amateur astronomers

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What To Do If You Think That You Have Seen A TLP?

This depends upon whether you have seen a coloured patch, a brightening, a flash or lightness in a shadow, as

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Detecting Changes in Spacecraft Images

The approach here is simply to compare imagery of the lunar surface taken many months, if not years apart, align

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Resolving Historical Observational Puzzles

As you can imagine, over the past few centuries there have, from time to time, been observations of the Moon

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