Sunset on Tuesday, March 25th, with feathery cirrus clouds and contrails. A faint sundog is visible as a slight brightening at the level of the sun, about 2/3 of the way across the picture.
Category: Photos
Sunset
View from the office parking lot earlier this evening:
Wizard World LA 2008 – Con Report
Wizard World Los Angeles turned out to be a surprisingly good con. Originally I was planning to go on my own, but when they announced the addition of Milo Ventimiglia (Peter Petrelli) to the Heroes panel, Katie decided to go as well. So we drove into LA Saturday morning, and arrived at the con around 11:00 AM. I was expecting a much sparser crowd based on my experience last year, but that had been a Sunday. This Saturday was a full-fledged con.
Update: The photo gallery is up!
The Floor
I spent most of the time on the main floor, hunting down back-issues, bargains and autographs. A lot of dealers had brought their bargain bins (some of them, thankfully, alphabetized!), and a lot of them had trades and hardcovers for half-off or close to it. There were also the booths selling high-grade Silver-Age and Golden-Age books, toys and collectibles, and at least two booths selling swords. Yes, swords.
At one point, I overheard two comic-book dealers discussing whether the show was worth it. One of them said that people here tended to be looking for bargains, so it was hard to sell anything else. They agreed San Diego was a better bet.
I’ve been joking that the logo design for this year’s con (see above) was inspired by the gigantic auto show that shared the convention center witl last year’s con. So I was surprised to find a mini-auto show here: Marvel-themed cars, including Iron Man and Punisher SUVs.
There was a stage set up for Guitar Hero. At one point, I noticed the music was Metallica’s “Enter Sandman.” It seemed appropriate.
Costuming
There weren’t quite as many people in costume as I saw at WonderCon last month (also a Saturday). But there was a large contingent of people in Jedi costumes, some of whom seemed to be sparring with lightsabers every time I walked down the right edge of the dealers’ room. And there were Imperial Stormtroopers directing traffic, making sure people could find the one large panel room that was half-way to the other end of the convention center.
Contrail Contrast
I had to get up early today, early enough that I could still see a couple of stars (or more likely planets, but I’ve lost track of where most of them are right now). When I got to work, I was treated to the sight of these contrails lit up against the morning sky. The rising sun was still behind the mountains, below the frame.
Look at the cloud directly above the contrail on the right, near the leaves. You’ll see a dark nearly-vertical line, which I initially took for a contrail’s shadow, possibly even the one below it. A minute or so later, though, it looked like it might have actually been another contrail, one not lit up by the sun and therefore darker than the cloud behind it.
Oddly enough, half an hour later the entire area was blanketed in fog.
Golden to Green
Back in October, shortly before the Santiago Fire, I went sightseeing in the Tustin Foothills and snapped a picture of Peters Canyon, the hills behind it, and Saddleback in the background. A month later, I took a picture of the same view after the fire and posted the two as a before and after comparison.
Well, we’ve had several months of normal (for SoCal) rain, and the hills have turned green. Mostly. It’s clear that the scars from the fire are going to take at least another season to heal. The last couple of days have been very clear, so I went back to the same spot to take a “four months later” photo.
March 10, 2008. Click for a larger version
Now compare it to the November (post-fire) and October (pre-fire) photos: Continue reading
Halos and Rainbows and Clouds, Oh My!
Whenever there’s a light layer of cirrus clouds in the sky, I keep an eye out for halos. I catch the occasional iridescent cloud, or a faint sundog that’s only visible through sunglasses. Today I spotted a 22° halo as I walked back to my car after lunch, around 2:00pm on March 6.
It’s not as sharp as the one I caught 2 years ago, but there was more color. It was clearly reddish toward the inside and bluish toward the outside. Like last time, I didn’t have the good camera, just my cell phone, but at least this time it was a better phone!
This reminds me, our trip to San Francisco a few weeks ago was through patchy clouds, sun, and rain—perfect for rainbows. We spotted several, including one which was not only extremely bright, but actually showed supernumaries inside the band.
We saw this on Thursday, February 21, somewhere between Paso Robles and San Jose along US Highway 101. Katie remarked that it looked almost double-layered, I looked over, and said, “Grab the camera! It has fringes!”
I’d never seen, or never noticed supernumaries before. I’d never even heard of them until I was reading through Atmospheric Optics a few years ago. If you look on this color-enhanced picture (actually from another photo of the same rainbow), you can see several extra bands inside the violet arc, alternating green and pink.
The really weird thing? Classical optics doesn’t explain them. Refraction and reflection can only explain the red-to-violet band and the secondary bands that sometimes appear outside the main arc. These are actually wave interference patterns that occur if the water droplets are small enough.
On a related note, last Sunday (March 2) I saw what I’m fairly certain was a lenticular cloud, except it didn’t look remotely like a lens. It was just a long, narrow flat cloud floating above the Santa Ana Mountains. I noticed it around 3:00 in the afternoon, and a couple of very thin, also flat clouds above it, and thought it looked like the beginnings of the stack formation. What clinched it was the fact that the cloud was still there, 5 hours later (visible at night by reflected city light), despite the high Santa Ana winds. You know, after spotting two sets last summer, it looks like they form in Orange County a lot more often than I thought.
Mauna Kea Sky Shadow
Today’s Astronomy Picture of the Day features a view of Mauna Kea’s shadow on the sky, just at the tail end of last week’s lunar eclipse:
I couldn’t help but be reminded of our visit to the summit in April 2005, just at sunset, when I took this similar (but decidedly less cool) photo:
Atmospheric Optics explains why most mountains’ shadows look triangular when viewed from their summits.