Posted on May 18, 2011

Amateur Photographer Links 37,000 Pics in Night-Sky Panorama

FOX News, May 12, 2011

Nick Risinger has always gazed up at the sky. But last year the amateur astronomer and photographer quit his day job as a Seattle marketing director and lugged six synchronized cameras about 60,000 miles to capture an image of the entire night sky.

Risinger, 28, set up his rack of cameras in high-elevation locales in the Western U.S. and South Africa, timing photo shoots around new moons when nights were long and dark. He programmed his six cameras to track the stars as they moved across the sky and simultaneously snapped thousands of photos.

He then stitched 37,440 exposures together into a spectacular, panoramic survey sky that he posted online two weeks ago. The photo reveals a 360-degree view of the Milky Way, planets and stars in their true natural colors. Viewers can zoom in on portions of the 5,000-megapixel image to find Orion or the Large Magellanic Cloud.

“I wanted to share what I thought was possible,” said Risinger, a first-time astrophotographer. “We don’t see it like this. This is much brighter. On a good night in Seattle, you’ll see 20 or 30 stars. This, in its full size, you’ll see 20 to 30 million. Everything is amplified.”

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“What a labor of love it is!” said Andrew Fraknoi, senior educator at the Astronomical Society of the Pacific. “Professional astronomers are now doing much deeper surveys of small regions of the sky, using big telescopes. But every once in a while it’s nice to step back and have such a beautiful photographic record of the whole sky.”

“This is not a scientifically useful image. This is for educational and artistic appreciation,” Risinger said, adding that he didn’t want to make money off it. “It is for educational purposes. I want to develop some tools for the classroom.”

To capture the entire night sky in a year, Risinger plotted out an exact schedule of images he needed from both the northern and southern hemisphere. He divided the sky into 624 uniform sections and entered those coordinates into the computer.

“The sheer amount of work was mind-boggling,” he said at his apartment in Seattle. “It’s not a wing-it kind of project. You have to plan how you’re going to get the entire sky. And you do that by dividing it up into pieces and knowing what time you need to collect those pieces because as the Earth goes around the Sun, things come in and out of view.”

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{snip} He also persuaded his retired father, Tom, who lives in Gig Harbor, Wash., to join him.

In the U.S., he and his dad would often drive all day and set up and take photographs all night. They chased ideal windows of opportunity to catch the night sky at its clearest.

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Each night, Risinger set the six cameras–high-end monochrome astrophotography imagers equipped with different filters–to point in the exact same spot and continuously feed his laptop with images. He monitored the photographs in real-time and passed the dark hours eating sunflower seeds. Meanwhile, his dad slept.

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Risinger finished the project a couple weeks ago, and has been getting thousands of hits on his website.

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[Editor’s note: Nick Risinger’s website is Photopic Sky Survey.]