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Photo Backlog

This weekend I took some time to go through old photos that I had never yet reviewed. I found a few that seemed like they might be interesting to put online. It’s just a grab bag of miscellaneous images, but mostly macro photos, which I notice that I don’t have many of online yet. I need to remedy that!

A garden spider that spun it’s web in my yard a few years ago.
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A bee gathering pollen from a Mexican plum tree flower.
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A beautiful fungus growing from a tree stump.
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Giant sunflowers in a field down the road from me.

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Sunday photos

I was once again at Sheldon Lake State Park this past Sunday. On this trip I was able to get my first decent photos of a woodpecker. There were 2 or 3 of them pecking on dead branches in the trees above the park area next to the Rangers’ office. After trying without much success to get close to one, I noticed a particular branch that seemed to attract them, so I set up and focused my camera on that and waited for a few minutes. Sure enough, one of them came to the branch and I was able to get some good shots. Below is the best of them, along with a close crop showing the bird in more detail. I also got photos of a little blue heron, and a great egret as they waded in the fishing ponds looking for a meal.

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Yellow-crowned Night Herons

Last night I wasn’t feeling well and went to bed early, so this morning I was able to wake up just after sunrise. Feeling better, I decided to go to the nearby Sheldon Lake State Park to see what birds might be active. The birds are still not there in great numbers but I did find a pair of yellow-crowned night herons standing by one of the ponds and I was able to get some nice photos of them.

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The first bird was also in a spot where the water reflected it very nicely. Here it is both as I saw it and inverted to make it look right-side-up.

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Though I did not notice it at the time, the second bird was also sitting right next to a snake! I can’t tell what kind of snake it is, but it’s interesting to see how such different species can get along with each other like this.

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A small bit of Brazos Bend State Park

Brazos Bend State Park is one of the busiest locations in the Texas State Park system. For one thing, it is located just a short distance southeast of Houston, and for another it is a large and diverse park with lots to do. Among it’s other qualities the marshes attract lots and lots of wildlife making it a prime spot for bird watchers. When I went there this past Sunday afternoon to do a little photography I encountered people from Germany, Sweden, and Japan who were there to observe the birds, as well of plenty of local people too.

And the birds did not disappoint! I only walked along about one mile on a trail by the edge of 40 Acre Lake and there was so much to see that I often had to choose among several different photographic opportunities. Do I get a picture of that group of ibises, or that alligator, or maybe the egret behind me? Decisions, decisions!

In the end I took more than 300 photos and have now edited them down to the best ones. Enjoy!

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Moon shot

No, not a rocket launch. Just my first attempt at astrophotography. Tonight I set up my telescope and camera to take a photo of the waxing half moon. First, the photo itself and then a description of how it was made.

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I’ve never seriously tried astrophotography before, so this was a bit of a challenge. My telescope is a simple one. An Orion Starblast 4.5” EQ, which is a very nicely performing beginner’s telescope. I originally bought it because I wanted something inexpensive, easy to use, and lightweight (hence more likely to get used!), but with quality optics, and the Starblast EQ fit the bill.

For the photo, I attached my camera with an eyepiece projection bracket. I used a Celestron 12mm Plössl eyepiece in the telescope. The camera just had my normal lens (Canon EF-S 17-55mm zoom set to ~30mm) attached focused to infinity. Sadly, I forgot to set the f-stop and it was on f/6.3. I could have done better, but my habits kicked in – most of my photos are taken with manual focus lenses that either have a fixed f-stop, or that I almost always leave full open because of low light conditions. Ah well, we learn best from our mistakes.

After initially lining up the telescope using a 20mm lens, I swapped in the 12mm lens with the camera already attached, rechecked the alignment, and started taking photos. There were lots of photos taken in order to get the one above, and I’m still not too satisfied. Focusing was hard, since the light passing through the camera viewfinder made the image a little dimmer and fuzzier than the direct view at the telescope eyepiece, but I could not swing the camera out of the way for focusing: the tripod and head for the telescope are a bit flimsy and the weight of the camera causes the telescope to be pulled slightly out of alignment, causing the Moon to move out of the field of view. Still, after much trial and error I got a few shots that satisfied me.

The view is a bit dim. More exposue tended to leave the brighter parts of the Moon over exposed, so I decided to live with some under exposure. The end result is a bit too dark but for a first try I think it came out well enough.

I have a couple of other camera adapters that I want to try out next – one that lets me attach the camera more solidly to the telescope, though at the expense of not being able to use large eyepieces, and another that lets me eliminate the eyepiece and put the camera at prime focus. Those will be fun to experiment with!

Highway Birds

I travel to work each day along a stretch of US highway 90 that passes by woods mixed with some open land, and I frequently see birds of prey sitting in the trees scanning for something to eat. This morning I got some decent photos of 2 birds, a hawk and an American Kestrel. The hawk appears to be a juvenille red-tailed hawk, although I’m not certain of that.

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Birds returning to Sheldon Lake

It’s starting to be early spring around here and some of the birds are beginning to return to Sheldon Lake State Park. When I was there Sunday I saw a lot of cardinals, as well as the usual great egrets and white ibises. I also saw a few little blue herons and one great blue heron perched in a treee. Hawks and vultures are all over the area most of the year, and I got my first photo of a red-tailed hawk while on my way to the park, though it’s not a very good image. There’s an osprey that I often see in the mornings about the same place I saw the hawk. At least, I think it’s an osprey – I’ve never gotten a very close look at it, and my one photo so far is not good enough for my untrained eye to really identify it. I hope to have a better image soon since this bird is so reliable about showing up in the same spot each day.

Update

A co-worker asked his father – an avid birder – to look at the last photo for me, the bird I though might be an osprey. He thought it was most likely a white-tailed hawk, and that seems to make a lot more sense.

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Music for meditation

Years ago I used to tinker around with writing New Age/Space music. Highly electronic synthesizer music. I’ve not kept up with it over the years, but this weekend I finally digitized a couple of recordings and thought I’d put them online. The titles are a bit pretetious, but I’m not going to change them after this long.

Both of these were written at a time when I was actively practicing meditation each day and they each have a strong visual inspiration. The first, “Tales of the Ancient Mystic” is a scene in some approriately mystical temple high in remote mountains, with an ancient guru sitting alone in a darkened room with a few candles around the edge, while a single beam of sunlight comes down from the ceiling to illuminate him as he receives visitors seeking his wisdom. The second, “Tears of the Daughter of Night” was inspired by a vision of Eris (the ancient Greek goddess of strife, not me) sitting on a crumbling throne in a dank and forgotten crypt, seething with rage and overflowing with tears. Her solitude is necessary, but still a grief to her. Her pain and the pain she causes to others, both equally unavoidable.

As you might guess, I was going through a period of intense depression when I wrote these pieces of music. At the time they filled me with tears, but with the passage of time I can now enjoy them as quiet contemplative music, albeit with dark overtones.

I recommend headphones for listening as they are both fairly quiet and might be difficult to hear at first, but be warned that each one has a loud crescendo near the end.

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Updated Music For Coding

It’s not often that I encounter a piece of music that I adopt into my normal “programming” music, but it has now happened again. Check out the Music For Coding page for information about the latest addition: Euphoria.

Some Light Reading

Lately I’ve embarked on a project of catching up on my reading list. I’ve read a few Terry Pratchett novels, but mostly my current list consists of computer books, some old that I’ve read before, and others that are new to me.

(And yes, that is a Richard Wagner action figure in the background.)

I’ve previously read Programming Pearls, The Practice of Programming, Effective C++, and More Effective C++, but it has been several years since I last looked at them, so a re-read is in order. These are some of the best books in the field, and the Effective C++ books have even inspired a set of warnings in the GCC compiler suite (enabled with the -Weffc++ option).

I won’t try to formally review all of these books here, though I wil post my thoughts on them as I go through them. The most important message I take away from Programming Pearls, for example, is to know your craft. Understand the data structures and algorithms that are the stock and trade of programming so that you can make the best choices when designing your software. The Practice of Programming has a similar message, of course, but places an emphasis on making sure that your programs are simple, portable, and above all correct. Algorithms and data structures play an important role in reaching those goals, but so does style and a willingness to critique your own code and rewrite it when needed.

I don’t have a lot to say about these books yet, apart from the fact that all of them are consistently praised highly, but I would like to make one comment about the process of reading itself. Altogether these books total more than 5700 pages, so studying them is going to be a long and rather daunting task that will take me a few months at least. To help me achieve my goal, I have also purchased a book reading device. Behold!

Book reading device.  Really.

Yes, it’s a treadmill. And a manual one at that – there is no motor. The lack of motor means the workout is harder, but the treadmill was less expensive and has fewer parts to break. And it helps me read, because it’s an exercise device that lets me remain stationary, so I can prop a book on the boards I’ve laid over the handles and read while walking. Very useful, both for encouraging reading and also for fighting the flab that so often plagues programmers and others whose jobs involve sitting in chairs all day long.