Posts Tagged ‘lightning’
The above lightning bolt starts with many simultaneously creating ionized channels branching out from an negatively charged pool of electrons and ions that has somehow been created by drafts and collisions in a rain cloud. About 0.015 seconds after appearing — which takes about 3 seconds in the above time-lapse video — one of the meandering charge leaders makes contact with a suddenly appearing positive spike moving up from the ground and an ionized channel of air is created that instantly acts like a wire. Immediately afterwards, this hot channel pulses with a tremendous amount of charges shooting back and forth between the cloud and the ground, creating a dangerous explosion that is later heard as thunder. Much remains unknown about lightning, however, including details of the mechanism that separates charges.
It’s amazing how much action goes on in just a blink of the eye.
Video credits: Footage by Tom A. Warner/ZTResearch/WeatherVideoHD.TV and used with permission
Photographing lighting from the ground is cool enough, but if you happen to be taking pictures of a thunderstorm from, say, space (we know, unlikely, but never say never) on rare occasions you may capture something like what you see above. This is a picture of a “red sprite,” a phenomenon that takes place when lightning doesn’t shoot down but instead explodes 50-miles high in the clouds and fires red tendrils even higher. Read more…
There are plenty of light-sensitive triggers on the market, some triggers even use your smartphone, but Ubertronix‘s new StrikeFinder app is the first mobile app that lets you actually take the pictures with your phone. Instead of designing a trigger app that attaches to an external camera, the StrikeFinder app released earlier today lets everyday iPhone users simply point their phone camera in the direction of say, lightning or fireworks, and the phone does the rest for them.
The app only just hit iTunes today and will run you $1.99 if you wanna give it a shot. And although we won’t know how well it works until people get it out in the wild, the Ubertronix press release made a good point: “Thunderstorms can pop up anywhere.” Whether you’re a photographer stuck watching a lightning storm without your camera; or an everyday photo-lover who would love to get a few, good quality lightning shots; the StikeFinder app is definitely promising.
The Nero Multi Trigger is a nifty camera triggering device that can make your DSLR and external flash unit respond automatically to sight, sound, and motion. It has built in optical, audio, and laser sensors, allowing you to shoot everything from lightning flashes to balloon pops. There’s also an intervalometer for time-lapse photography. The device mounts to your DSLR’s hotshoe and is powered by a pair of AAA batteries. They cost $200 each and are available for both Nikon and Canon DSLRs from the NERO website.
Between August and October of this year, the crew onboard the International Space Station used a Nikon D3S (at high ISOs) to capture photographs of Earth as they zipped around it at 17,000mph. Michael Konig then took the footage and compiled it into this eye-popping time-lapse video showing what our planet looks like from up there.
This amazing photograph by Ricardo Mohr shows the volcano Puyehue-Cordón Caulle in southern Chile erupting this past June. After being submitted to National Geographic’s My Shot photo community, the photograph was selected as one of the magazine’s “Pictures We Love: Best of October.” You can download a high-res version to use as a wallpaper here.
Image credit: Photograph by Ricardo Mohr
This incredible time-lapse video was created using photos captured from the International Space Station at night.
[It] begins over the Pacific Ocean and continues over North and South America before entering daylight near Antarctica. Visible cities, countries and landmarks include (in order) Vancouver Island, Victoria, Vancouver, Seattle, Portland, San Fransisco, Los Angeles. Phoenix. Multiple cities in Texas, New Mexico and Mexico. Mexico City, the Gulf of Mexico, the Yucatan Peninsula, Lightning in the Pacific Ocean, Guatemala, Panama, Columbia, Ecuador, Peru, Chile, and the Amazon.
We showed an ISS time-lapse before that showed the the Aurora Borealis from space, but seeing lightning from space is even cooler!
Time-lapse photographer Randy Halverson spent three months hunting thunderstorms at night in central South Dakota using a Canon 5D Mark II, Canon 60D, and Canon T2i. Capturing both the storms and the Milky Way in the same shots proved to be a difficult task:
One of the challenges in making this video, was trying to get good storm and star shots. The opportunity doesn’t come along very often, the storm has to be moving the right speed and the lightning can overexpose the long exposures. I had several opportunities this summer to get storm and star shots. In one instance, within a minute of picking up the camera and dolly, 70mph winds hit. One storm was perfect, it came straight towards the setup, then died right before it reached it. [#]
In the end, he captured enough photographs to create this 3-minute-long time-lapse video showing the galaxy floating overhead while storm clouds roll in. Lightning photos are one thing, but seeing storms sweep across the scene at night is incredible.
(via Laughing Squid)
Why settle for one boring lightning bolt when you can show 70+ bolts in the same photograph? Photographer Chris Kotsiopoulos of GreekSky recently shot a severe thunderstorm from Ikaria Island in Greece using a Canon 550D and 50mm 1.8 Mark II. He stacked 70 separate 20-second exposures to create the crazy image you see above.
(via Laughing Squid)
Image credit: Photograph by Chris Kotsiopoulos and used with permission