Proctor, R: Easy Star Lessons (Classic Reprint) -

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Résumé :
Excerpt from Easy Star Lessons The maps are arranged in sets of four, shewing what stars can be seen towards the north, towards the south, towards the east, and towards the west, at a certain convenient hour during every night in the year. This hour varies, night by night. On January Ist, the hour at which the stars shown in the first four maps can be seen in the position shown, will be a quarter past nine in the evening; on January 2, about eleven minutes past nine; on January 3, about seven minutes past nine, and so on, earlier and earlier each night; on January 5, at nine; January 8, at a quarter to nine; January 12, half-past eight; January 16, a quarter past eight; January 20, eight o'clock January 23, a quarter to eight; January 27, half past seven; and January 31, a quarter past seven and so forth. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.