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Everglades Astronomical Society
P.O. Box 10406
Naples FL 34101-0406

Astronomy Tutorials

Astronomy 121
The Solar System (Univ. Oregon)

Astronomy 122
Birth and Death of Stars (Univ. Oregon)

Astronomy 123
Galaxies and the Expanding Universe (Univ. Oregon)

Astronomy 161
The Solar System (Univ. Tennessee)

Astronomy 162
Stars, Galaxies, and Cosmology (Univ. Tennessee)

Notes on Amateur Astronomy Optics
Image formation, aberrations, types of telescopes and more. (Advanced topics)

MIT's OpenCourseWare

The Solar System

Introduction to Astronomy

Hands-On Astronomy: Observing Stars and Planets

Extrasolar Planets: Physics and Detection Techniques

For the Very Advanced

MIT Department of Physics

Ned Wright's Cosmology Tutorial

Astronomy Tutorials

Sunrise/Sunset/Twilight and Moonrise/Moonset/Phase UTC Clock. Click on the image for current UTC time.

Fakahatchee Strand Preserve Clear Sky Chart. Click on the chart above for an enlarged version and how to read it. Click here for a map of the Fakahatchee observing site.

Sunrise/Sunset/Twilight and Moonrise/Moonset/Phase
Today's Moon Phase. Click on the image for any date.

Space Weather
Sky map. Click on the image for today's sky at your location.

Space Weather
Solar activity and space weather. Click on image for today's Sun and space weather