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I spy with my little pine: solar crescent-eye

Since we aren’t equipped to either observe or photograph solar eclipses directly, E and I took to the yard during Sunday evening’s event to seek indirect eclipse images instead.  The classic pinhole method is simple and adequate — poke a small hole in foil or stiff cardboard, and let the sun shine through the hole onto another card, positioned so that a small image of the sun can be seen on the second surface: the bigger the spy-hole, the farther away the second card needs to be.  This works well enough to see with your eyes, but we found the images of the sun were too vague for the clumsy auto-focus mechanisms of digital cameras to gather adequate images.  Also, the scale of the card operation is tiny, and so, although interesting (and positively better than the alternatives of not seeing the eclipse or blinding yourself trying) it’s not hugely thrilling.

(<< multiple solar eclipses cast onto a house wall through the pine tree canopy)

Fortunately, our yard has an enormous pinhole camera growing in it: the Aleppo pine tree.  Its clumped, criss-crossing needles create a fine mesh that, in addition to delightfully sifting raptors out of the wind, also results in a wonderful indirect eclipse-viewing system.  The tree’s foliage-mass essentially acts as a large card with innumerable pinholes in it: the pine shadows — as well as the shadows of any other trees with sufficiently small spaces between leaves — become patches of eclipse crescents projected onto the back wall of the house, the block fence, and even the ground where the surface is smooth enough to retain detail.  The apertures (the spaces between the trees’ foliage) and the focal plane (the wall, etc) are far enough apart so that the solar crescents are fairly large.

Those solar images can be readily and safely observed and photographed with any camera, and although not as spectacular as a directly photographed astronomical image of the sun, these sun-shaped light leaks make up for their lack of solitary crispness with the sight of multitudes of bright crescents spangling whatever lies in the umbra of the trees, even E’s ASU tee shirt: Sun Devils for real! >>

(By the way, trees do this pin-hole sun-image thing all the time, it’s just that the light-leaks are round like the unobstructed sun, so we call it “dappling” and consider it “normal”.)

(Above photos A.Shock)

In the following series of photos (by E.Shock), beginning at the left, you can see the progression of the moon shadow from upper right to lower left across the disc of the sun.  In Phoenix, we experienced more than 80% occlusion.


Posted by Allison on May 21st 2012 | Filed in natural history, oddities, yard list | Comments (0)

Happy Halloween!

Not a real owl!  I photographed this owlmorphic clump of cobwebs and autumn leaves in a tree hollow on Cape Cod in 2007.

Posted by Allison on Oct 31st 2011 | Filed in oddities, owls, unexpected, unnatural history | Comments (0)

What luck!

This morning, I found a golden egg, high up in a tree.

Nestled into the rough bark of our backyard mesquite, a magical bird had laid a golden egg.  This was excellent: what a windfall! — my fortune was secured, if only I could reach it.

But it was too far over my head, so I had to satisfy myself with longing for its golden curves through binoculars.

And guess what, it wasn’t an egg at all, but some type of -quat or other: kum-, or perhaps lo-. Yes, that was what it was: a small orange fruit, probably a loquat since a neighbor has a tree, wedged into somewhere safe by a bird, or maybe a squirrel, to be retrieved later.

Who would do such a thing, hiding a golden treasure in plain sight?  The jammer would have to have sufficient strength, beak/jaw gape, toe-grasp, cleverness and agility to handle hauling a small fruit into a tree, and stashing it on a vertical trunk.  There are several candidates, but I strongly suspect the Curve-billed thrashers, who have just fledged their ravenous brood and are working incessantly, combing every crevice in the yard to feed their greedy-gaped offspring.  These industrious foragers will eat anything, seed, suet, bug, or fruit.  And they have an eye for treasure, just as golden as loquats.

(All images A.Shock).

Posted by Allison on Jun 7th 2011 | Filed in birds, botany, drawn in, nidification, oddities, unexpected, yard list | Comments (2)

Chinese opera mask bug (and bonus dubious chemical spotting)

Updated with possible bug ID, see bottom of post:

E sent me a photo he took of this brightly colored centimeter-long bug marching up the stone steps of the Yellow Crane Tower in Wuhan, China. Since there’s not much going on at home here in AZ, except ongoing wrestling with both the machinery and chemistry of a swimming pool that’s picked a very bad time to become unswimmable, I thought I’d shamelessly post vicariously from China instead.

The shape of the bug’s carapace, coloration and pattern reminded me of something — something Chinese — and, when my brain churned up what it was, I inset an image of it into E’s bug photo.  And, no, “Chinese opera mask bug” is not the insect’s real name.  I have no idea about insects, so this guy’s identity is a mystery to me.  Any ideas?  It’s probably not poisonous — maybe — but it really wants you to think it is!  And, it’s on the go: note the blurred-with-lightning-fast-action right-hand mid-leg!

And, speaking of poisonous, here’s a sight E caught in a public place in Wuhan: 50 gallon drums of Chloroform rusting under a staircase.  For when you really, really, need to make sure something’s asleep…

(Both photos E.Shock)

Update:

With the help of Google (I searched “red black white hemipteran china”) and the What’s this bug website, I think this guy is the immature form of Lycorma delicatula, which is a Fulgorid leafhopper.  They are native to southern China, but have invaded the Korean peninsula, apparently at least in part through lumber imports, where they are considered a pest (see fun Korean video here).

Posted by Allison on May 31st 2011 | Filed in E, Invertebrata, cool bug!, field trips, oddities, unexpected | Comments (0)

My Cat Won’t Comply

So what’s new?  Underpass art along Hwy 60 at Devil’s Canyon Bridge.

Other way to consider this issue: Is the cat amenable to Show Procedure?

Go ahead, click to enlarge. (Photo A or E Shock)

updated:

Wait, I didn’t think I would need to explain that this was found art, not made-by-me art.


Posted by Allison on May 25th 2011 | Filed in art/clay, field trips, oddities, unexpected | Comments (1)

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