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The second edition contains new chapters about the Jewish and Moslem Calendars
" even for other writers in the field
About the book Astronomical Algorithms
Featured objects include the first-magnitude star Procyon in Canis Minor
And you’ll get advice from other aurora hunters who share personal stories about what they’ve learned chasing the elusive lights
Planisphere, 30 Degrees South New Releases The second edition contains newFormat: Chart The "down under" version of Sky & Telescopes planisphere is plotted for skygazers near latitude 30 degrees South, perfect for folks living in Australia or South America. This is the only planisphere we carry that shows the Southern Hemisphere's sky. ISBN 13: 9781931559133
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