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| Annular Solar Eclipse, 1994 May 10 vic. Clinton, Illinois |
| Mid-eclipse (f20, 2000mm fl, KC 64) |
| Moments before 3rd Contact |
| Enlargement of 3rd contact picture |
| Enlargement of above picture, showing "fringe bands". For an interesting comparison with Fresnel diffraction by an opaque barrier in the laboratory see the Georgia State University, Department of Physics and Astronomy, HyperPhysics site. For an example of the effects of diffraction on lunar occultations see Doug Mink's Stellar Occultation site. |
| Shortly after 3rd contact, without filter |
| Baily's bead development after 3rd contact |
| Visible limb of moon lengthens as center darkens |
| Camera/telescope and mirror projection setup, Weldon Springs State Park, Clinton, Illinois. (40.14 North, 88.92 West) |
| Projected image of annularity using a 4.5 X 2.5 inch (11.43 X 6.35 cm) first surface mirror at a range of about 100 feet (30.48 m). |
| Note: Click on any picture for larger image |
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