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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)

Hoover’s hooves

It’s been a couple of months since the Cooper’s hawk (now long gone to its more northern, mountainous summer home) ate Hoover, the feral African Collared Dove who shared our garden.  I’m not mourning him — in fact I’m thankful that a proper wild hawk absorbed his nutrients and energy instead of a second-storey window or someone’s over-fed, bored housecat — but I do miss him still.  Cleaning up my computer desktop during yesterday’s stormy weather I uncovered one of my favorite photos of Hoover: a shot from below of the soles of his salmon-pink feet visible through the translucent plastic of the studio roof:

When I was working in there, he’d land with a thump and stomp to the edge to peer over to look for seeds, his rapid, trundling dove-steps clicking toenails all across the ridged panels.  I’m glad I wasn’t in there the day the Coop’s took him from this very perch — the view from below would have been grimmer than this cheery reminder of him.

Posted by Allison on Mar 19th 2012 | Filed in Hoover the Dove, birds, yard list | Comments (2)

It’s not all about owls…

… it just seems like it sometimes.

This Friday Saturday and Sunday, from 10am – 5pm March 9, 10, 11, it’s time for the spring Camelback Studio Tour, and if you visit the Sherwood Heights neighborhood of south Scottsdale, you can find lots of things besides owls, even at Three Star Owl Studio (Studio #3 on this map).  Among the exciting Non-Owlular things available are the metal south-west themed garden sculptures of Tracy Paul of Pentimento Metalwork.  Here’s a tantalizing image of the shadow of one of Tracy’s agave-like creations. >> She’s brought a large selection of delectable items and strewn them artfully around our rambling garden, where you can wander around searching them out.

And, there are three other studios to visit filled with paintings, clay, jewelry, glass, and gourds handmade by local artists Lynn Gustafson, Vickie Morrow, Pam Harrison, Jan Campbell, Chris Demma, Reg McCormick, Bernie Nienebar, Lynn Strolin and Margaret Sullivan.

Of course, Three Star Owl Clay is stocked as usual with a motley assortment of owlishness (that’s motley said with pride), some new like the Boiled Owl Sake Sets (see previous post for photos) and Napping Owl Tumblers — which exude a quaint whiff of Victoriana, pushing Retro all the way back to the Martin Brothers.  But I’ll also have on hand some non-owl favorites like Horned Lizard Bowls, a Gila Monster Effigy bowl, Frog Skeleton Mugs, and also a bit of species-faithful Wazzo-ware for the birders among us, and more.  The photo above is my studio bench tonight, with new items waiting to be photographed and priced — note the Gilded Flicker in the Saguaro vessel: definitely Not An Owl, for a change.  Oh, and a couple of Writhing Rαt Dog planter/bowls.

<< And for the first time ever, I’ll have hand-knit hats for sale by Sylvia Schoenfeld (my mother), like these.  And yes, those are owl cables with button eyes — which makes them most definitely mostly about owls.

(All photos A.Shock)

Posted by Allison on Mar 7th 2012 | Filed in Events, art/clay, effigy vessels, three star owl, yard list | Comments (3)

In memorian Hoover

Hoover, the semi-tame feral African Collared Dove who frequented our yard, is no more.

I’ve been postponing the task of writing an obit for a couple of weeks, hoping that the white dove taken by the wintering Cooper’s hawk wasn’t Hoover.  But I can’t put it off: we no longer hear his soft, two-note cooing, and he doesn’t appear on the back porch to beg for a seed or two, perching on our palms to accept safflower, sunflower hearts, or millet, all the while his dark red eye making sure that we’re not up to something.  His habit of rapidly vacuuming up seeds earned him his nickname.  This habit of coming to the porch for handouts was also likely his demise: I saw the Cooper’s flash past the back door, and heard him strike the studio roof, where Hoover lurked hoping for a handout. Later, I found the sad pale feather pool in the back of the garden near the lemon tree, where the Coop’s had stood on the ground to pluck his prey.  The clear place on the left is where the hawk stood, leaving a “feather shadow”.  >>

In some ways it’s surprising that a non-native and bright-plumaged individual lasted in our predator-rich corner of the Phoenix area as long as he did.  The first photos we have of Hoover date from April 2005.  He’s been a part of our yard experience since then, mooching, alerting us to owls, courting and contributing his exotic genes to the local columbid gene pool. He would occasionally “help” me pack the truck for a sales event, walking into the garage to see what was up, and if there were seeds involved.

He was a cheerful presence, and we miss him.

For more photos, and to read more about Hoover and the small  (now nearly extirpated) population of African Collared doves in our neighborhood, click on the category “Hoover the Dove” in the left-hand sidebar.  (All photos A or E Shock)

Posted by Allison on Feb 7th 2012 | Filed in Hoover the Dove, birds, close in, yard list | Comments (4)

Moonshots

Here’s the total lunar eclipse from the Phoenix area this morning, just before totality.  The desert skies were clear, so that we had a wonderful dark sky view of the first half of the event.  But totality began right at sunrise, so just as the whole moon was shadowed, it sank in a sky too bright to see the light reappear along the upper rim.  Still, it was spectacular!  Above, just digital zoom on a Canon Elph; below, digiscoped on a 50mm Nikon Fieldscope.  (All photos A.Shock)

Posted by Allison on Dec 10th 2011 | Filed in increments, natural history, yard list | Comments (2)

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