Discover: amateur takes great pictures of space station
by Greg on Mar.27, 2009, under Science Life
Shuttle and station imaged from the ground!
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If you think that is cool, just wait til you see what these Spanish students pulled off:
these students took this picture with basic tools.
“The balloon we chose was inflated with helium to just over two metres and weighed just 1,500 grams,” team leader Gerard, 18, told the Daily Telegraph. “It was able to carry the sensor equipment and digital Nikon camera which weighed 1.5kg.
“However, when we launched at 9.10am on that morning the critical point for the experiment was to see if the balloon would make it past 10,000m, or 30,000ft, which is the altitude that commercial airliners fly at.”
The helium weather balloon carrying the meteorological equipment was expected – because of the changing atmospheric pressures – to inflate to a maximum of nine-and-a-half metres as it travelled upwards at around 800-feet-per-minute.
:amateur, space, space station
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Nasa's Image of the Day
Composite of a Series of Images Taken From Space Aboard the Space Station
This is a composite of a series of images photographed from a mounted camera on the Earth-orbiting International Space Station, from approximately 240 miles above Earth. Expedition 31 Flight Engineer Don Pettit said of the about photographic techniques used to achieve the images: "My star trail images are made by taking a time exposure of about 10 to 15 minutes. However, with modern digital cameras, 30 seconds is about the longest exposure possible, due to electronic detector noise effectively snowing out the image. To achieve the longer exposures I do what many amateur astronomers do. I take multiple 30-second exposures, then ‘stack’ them using imaging software, thus producing the longer exposure." A total of 18 images photographed by the astronaut-monitored stationary camera were combined to create this composite. Image Credit: NASA
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