Search Results

1

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Observer program operations manual by Gus van Helvoort.

by Helvoort
Published 1986

2

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Through the telescope : a guide for the amateur astronomer Michael R. Porcellino.

by Porcellino
Published 1989

3

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The Marine observer's handbook Meteorological Office.

Published 1977

4

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Dorling Kindersley handbooks : stars and planets Ian Ridpath, editorial consultant;Iain Nicolson.

by Ridpath
Published 2000

5

Star watch : the amateur astronomer's guide to finding, observing, and learning about over 125 celestial objects Philip S. Harrington.

by Harrington
Published 2003