The Walker's Guide to Outdoor Clues and Signs by Tristan Gooley

Author:Tristan Gooley [Gooley, Tristan]
Language: eng
Format: azw3
Publisher: Hodder & Stoughton
Published: 2014-05-07T16:00:00+00:00

A line from the horns of a high crescent moon, extended to your horizon gives a rough indication of south, from northern latitudes.

A full moon will rise roughly opposite the direction of sunset on that day. So full moons rise well south of east in midsummer and well north of east in midwinter.

Moonlight

In the chapter about the sun we saw how total shadows are very rare during the day, as the light from the sky, ‘airlight’, will give at least a little illumination to the parts that the sun cannot reach directly. However, the moon is not bright enough to light the sky itself and we get next to no airlight at night. There will be a modest amount of light from the stars, but nothing compared to the daytime sky.

This means that any area not receiving direct moonlight will be in the moon’s shadow and moon shadows are pitch black. If something is in direct moonlight, your eyes will often be able to make out plenty of details of shape, although very little colour. In the shadows, however, you will see next to nothing. This can have profound consequences when walking on even gentle hills at night.

The slope facing the moon will not be much harder to walk on than it is during the day, but the slopes facing away from the moon will be a different and much trickier matter. If you are sly, you can time a walk to the west so that the moon follows you over a crest and holds a lantern for you all the way.

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