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Tom's Presentations

Here are my modest efforts at astronomy education.  Browse all you want, but it you use the info, be sure to cite me as the source!  Thanks.

Occultation Primer

This is a quick briefing of asteroid and lunar occultations - What they are, how they occur, and why we care. 


PowerPoint presentation about sunspots - The solar cycle, sun spots, solar and sun spot anatomy, sun spot classification, how to observe. 1MB in size!

Eclipse Timing

PowerPoint presentation about eclipses - Eclipse basics (geometry, orbital characteristics, eclipse duration & path), what you'll see during an eclipse, Orbital rhythms that create eclipse series (saros).  Based on "Totality: Eclipses of the Sun" by Littman and Wilcox and by Fred Espenak.  500K in size.