by
John R Pierce
Glenn Hirsch
Ben Haller
David Staples
Eileen Chun
At maximum we all thought the temperature dropped just a little and our cast shadows appeared to have a funny double-edge on only one side ... hallucination or observation?
If you're referring to what I think you're referring to, it's a real phenomenon that is due to the altered shape of the sun. Normally, because the sun subtends a half-degree in the sky, shadows have a fuzzy penumbra around their edge. When the sun is just a crescent, shadows edges oriented in one direction will still have a strong penumbra, while shadow edges oriented orthogonally will have a much narrower penumbra -- they may appear to have none at all. See p.201 of the excellent book "Color and Light in Nature" by David K. Lynch and William Livingston.
And the temperature dropped and the light dimmed quite noticeably and took on a strange quality. People who didn't know there was an eclipse kept saying to us "so that's why the light is so funny today!"
Thanks to Jeff Crilly for the Baader filter material I put on my binoculars -- seeing the sunspots go behind the moon and then re-emerge later was a real treat.
Now I need to go see a total eclipse somewhere... hmm...
All of my nearby neighbors came by and to a one they said it was the first time they had ever seen an eclipse as well as sunspots. So with the kids running through the sprinkler and a crowd around the scope it was great fun.
The highlight for me was when my daughter (she's two and a half) wanted to look through the scope. I didn't want to give an suggestions of what she might see so I just held her up to the eyepiece and asked her what she saw and she said "Umm...sunshine, Daddy". Wahoo!!! I can't wait until she is old enough to join me for a night under the stars.
We also notice a slight drop in the intensity of the sun, kind of like the sun behind high thin clouds, and a noticeable drop in temperature.