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Eclipse Glasses rated ISO-12312-2 for viewing a solar eclipse.
☞ Top: individual glasses.
☞ Bottom: for viewing over prescription eyewear.
▶ More total solar eclipse photos: here.
21 August 2017.
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▶"Your parents probably told you to NEVER look directly at the sun with your naked eye. In fact, you've probably been told that by lots of reputable sources (including our own Space.com). But according to NASA and four other science and medical organizations, it's OK to look at a total solar eclipse with the naked eye — but only when the face of the sun is totally obscured by the moon.
▶ Looking directly at the sun without eye protection can cause serious eye damage or blindness. But there are ways to safely observe the sun. During a partial solar eclipse, people often use pinhole cameras to watch the progress of the moon across the sun's surface (pinhole cameras are easy to make at home). This is an "indirect" way of observing the sun, because the viewer sees only a projection of the sun and the moon."
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▶ "To view the sun directly (and safely), use 'solar-viewing glasses' or 'eclipse glasses' or 'personal solar filters' (these are all names for the same thing), according to the safety recommendations from NASA. The 'lenses' of solar-viewing glasses are made from special-purpose solar filters that are hundreds of thousands of times darker than regular sunglasses, according to the American Astronomical Society (AAS). These glasses are so dark that the face of the sun should be the only thing visible through them. Solar-viewing glasses can be used to view a solar eclipse, or to look for sunspots on the sun's surface.
▶ But beware! NASA and the AAS recommend that solar-viewing or eclipse glasses meet the current international standard: ISO 12312-2. Some older solar-viewing glasses may meet previous standards for eye protection, but not the new international standard."
—Space.com.
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▶ Photo by Yours For Good Fermentables.com.
▶ For a larger image, type 'L' (without the quotation marks).
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▶ Camera: Olympus Pen E-PL1.
▶ Commercial use requires explicit permission, as per Creative Commons.
Eclipse windmill and horsedrawn water tank. Photo taken at the National Ranching Heritage Center at Lubbock Texas.
Lunar eclipse 03-03-2007
Theme: The Solar System
by Gary Foord, Rainham, Kent
90mm Maksutov–Cassegrain
eyepiece projection with Canon A610 6mp compact digital camera
While wandering around Ashbridges Bay Park during the partial eclipse, I walked along a path through a wooded area. Much to my delight, the partial eclipse was being played out at my feet.
21 August 2017
Watching the Eclipse from Wilson Lake, Conser Road, Linn County, Oregon
About 9 a.m., we all walked down to the lake, where the filbert orchard owner & a dozen of his family and friends had gathered at their ‘cabin’, and we dozen borrowed chairs and sprawled on the lawn to watch the Eclipse. There was a ‘bite’ out of the sun from the time we got there, and we watched through Mylar “eclipse glasses” as the moon coursed across the face of Sol. I set up my spotting scope and projected the ‘camera obscura’ image onto a sheet of paper so people could see a larger image than just looking through the glasses. We visited, threw sticks for Bacon the Dog, and watched the sky get progressively darker.
From the 1979 eclipse, which was only partial in Chiloquin, Oregon when I lived there, I had remembered the change of light as the moon obscured the sun. The atmosphere doesn’t just get dark like when the ‘sun goes down’ on a normal day, but rather takes on an odd blue-rose or lavender-coloured hue.
Another phenomenon I wanted to see was the crescent ‘pinhole’ effect caused by the sun shining through the leaves of the orchard. Small openings between objects such as tree leaves act like pinhole camera apertures. These allow light rays from different parts of the partially obscured Sun to create an enlarged image of the Sun on the ground. The same shadows occur all the time, but the images created are circular, showing the entire solar disk. Under very good conditions, the image can include large sunspots, as well, but we didn’t notice spots today, except through the spotting scope. I pointed this effect out to the landowners' family, and they all oohed and ahhed when they looked.
Until about 10 minutes before totality, the birds were going to roost, with the robins being among the last to quieten. The last bird I saw was a Blue Heron flying toward the north end of the lake.
Finally, the moon totally obscured the face of the sun, and we saw the ‘diamond’ ring, just before the sky changed color as if a light switch had been flipped. The sun’s corona was amazing!! I don’t often use the word “awesome”, but seeing the eclipse in totality was, indeed, AWESOME! The ‘stars’ came out, with Venus shining brightly, and some of the other larger stars and planets being visible. It was a strange darkness – not ‘dark’, but darker than the light seen at sunset. We had just one minute and 58 seconds to marvel at this astral spectacular, and all present took full advantage. Even the smaller children seemed enraptured by the spectacle.
Then, it was past, and the initial bead of light once again filled the world, as though a light was switched on. For some reason, it seemed brighter after totality than it did before, even with the same amount of sun showing. It was not until 10 minutes past totality until I noticed the first bird – the call of a Scrub Jay from across the lake. It was another 5 minutes before the robins and waxwings reawakened and began flying. The heron flew back from its roost to its feeding spot at the south end of the lake, and I didn’t see or hear the barn swallows until we were almost back at the house. The Yellowthroats remained quiet. We stayed at the lake until the sun was about 90% exposed, and walked back through the filberts to the house. The farmers were off to continue combining and harvesting.