Image: This photo of Jupiter taken by a Slooh Space Camera telescope in the Canary Islands, shows the face of Jupiter and location of its moons 19 hours after a bright impact flash was spotted by amateur astronomers on Sept. 12, 2012.
Slooh Space Camera
This photo of Jupiter taken by a Slooh Space Camera telescope in the Canary Islands, shows the face of Jupiter and location of its moons 19 hours after a bright impact flash was spotted by amateur astronomers on Sept. 12, 2012.
By
updated 10/19/2012 3:53:41 PM ET 2012-10-19T19:53:41

An online observatory will webcast a free celestial marathon on Saturday (Oct. 20) to mark Astronomy Day, telling the story of our universe with the help of live shots from professional-quality telescopes.

The online Slooh Space Camera will air 11 consecutive hours of free cosmic programming beginning at 3:30 p.m. EDT (1930 GMT). Viewers can watch live on their computers or iOS/Android mobile devices.

The broadcast will take viewers on a tour of some of the universe's most spectacular sights, from dusty nebulas to supernova explosions that mark the death of huge, hot-burning stars to the planets and moons of our own solar system. In addition to Astronomy Day, the event coincides with the peak of the annual Orionid meteor shower, which will be at its best overnight on Saturday and Sunday (Oct. 20 and 21). 

Live shots of such cosmic phenomena will be provided by an observatory in the Canary Islands, off the west coast of Africa, Slooh officials said. The webcast can be accessed at the Slooh Space Camera here: http://events.slooh.com/.

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Slooh outreach coordinator Paul Cox will host the broadcast. He'll be joined by several guests, including author and Astronomy magazine columnist Bob Berman.

"Even with the use of Slooh's patented real-time imaging system, this is going to be incredibly challenging event — and several people have warned me against it," Cox said in a statement. "However, we're passionate about bringing live astronomy to a wider audience and making science more accessible. To paraphrase a famous speech, 'We choose to do these things, not because they are easy, but because they are hard!'"

Slooh is putting the broadcast together to mark Astronomy Day, a twice-yearly celebration that aims to share the joys of astronomy with the general population. To see if there's an event occuring near you on Saturday, check out the Astronomy Day website.

"I am proud to be part of this marathon-of-the-universe," Berman said. "It’s the first time in history that people everywhere can observe dozens of full-color celestial splendors in real time, free on Slooh’s homepage, as tracked by major telescopes and displayed on their home monitor or portable device. This may mark a new era in the appreciation of our cosmos."

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Photos: Month in Space: January 2014

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  1. Southern stargazing

    Stars, galaxies and nebulas dot the skies over the European Southern Observatory's La Silla Paranal Observatory in Chile, in a picture released on Jan. 7. This image also shows three of the four movable units that feed light into the Very Large Telescope Interferometer, the world's most advanced optical instrument. Combining to form one larger telescope, they are greater than the sum of their parts: They reveal details that would otherwise be visible only through a telescope as large as the distance between them. (Y. Beletsky / ESO) Back to slideshow navigation
  2. A balloon's view

    Cameras captured the Grandville High School RoboDawgs' balloon floating through Earth's upper atmosphere during its ascent on Dec. 28, 2013. The Grandville RoboDawgs’ first winter balloon launch reached an estimated altitude of 130,000 feet, or about 25 miles, according to coaches Mike Evele and Doug Hepfer. It skyrocketed past the team’s previous 100,000-feet record set in June. The RoboDawgs started with just one robotics team in 1998, but they've grown to support more than 30 teams at public schools in Grandville, Mich. (Kyle Moroney / AP) Back to slideshow navigation
  3. Spacemen at work

    Russian cosmonauts Oleg Kotov, right, and Sergey Ryazanskiy perform maintenance on the International Space Station on Jan. 27. During the six-hour, eight-minute spacewalk, Kotov and Ryazanskiy completed the installation of a pair of high-fidelity cameras that experienced connectivity issues during a Dec. 27 spacewalk. The cosmonauts also retrieved scientific gear outside the station's Russian segment. (NASA) Back to slideshow navigation
  4. Special delivery

    The International Space Station's Canadian-built robotic arm moves toward Orbital Sciences Corp.'s Cygnus autonomous cargo craft as it approaches the station for a Jan. 12 delivery. The mountains below are the southwestern Alps. (NASA) Back to slideshow navigation
  5. Accidental art

    A piece of art? A time-lapse photo? A flickering light show? At first glance, this image looks nothing like the images we're used to seeing from the Hubble Space Telescope. But it's a genuine Hubble frame that was released on Jan. 27. Hubble's team suspects that the telescope's Fine Guidance System locked onto a bad guide star, potentially a double star or binary. This caused an error in the tracking system, resulting in a remarkable picture of brightly colored stellar streaks. The prominent red streaks are from stars in the globular cluster NGC 288. (NASA / ESA) Back to slideshow navigation
  6. Supersonic test flight

    A camera looking back over Virgin Galactic's SpaceShipTwo's fuselage shows the rocket burn with a Mojave Desert vista in the background during a test flight of the rocket plane on Jan. 10. Cameras were mounted on the exterior of SpaceShipTwo as well as its carrier airplane, WhiteKnightTwo, to monitor the rocket engine's performance. The test was aimed at setting the stage for honest-to-goodness flights into outer space later this year, and eventual commercial space tours.

    More about SpaceShipTwo on PhotoBlog (Virgin Galactic) Back to slideshow navigation
  7. Red lagoon

    The VLT Survey Telescope at the European Southern Observatory's Paranal Observatory in Chile captured this richly detailed new image of the Lagoon Nebula, released on Jan. 22. This giant cloud of gas and dust is creating intensely bright young stars, and is home to young stellar clusters. This image is a tiny part of just one of 11 public surveys of the sky now in progress using ESO telescopes. (ESO/VPHAS team) Back to slideshow navigation
  8. Fire on the mountain

    This image provided by NASA shows a satellite view of smoke from the Colby Fire, taken by the Multi-angle Imaging SpectroRadiometer aboard NASA's Terra spacecraft as it passed over Southern California on Jan. 16. The fire burned more than 1,863 acres and forced the evacuation of 3,700 people. (NASA via AP) Back to slideshow navigation
  9. Where stars are born

    An image captured by NASA's Spitzer Space Telescope shows the Orion Nebula, an immense stellar nursery some 1,500 light-years away. This false-color infrared view, released on Jan. 15, spans about 40 light-years across the region. The brightest portion of the nebula is centered on Orion's young, massive, hot stars, known as the Trapezium Cluster. But Spitzer also can detect stars still in the process of formation, seen here in red hues. (NASA / JPL-Caltech) Back to slideshow navigation
  10. Cygnus takes flight

    Orbital Sciences Corp.'s Antares rocket rises from NASA's Wallops Flight Facility on Wallops Island, Va, on Jan. 9. The rocket sent Orbital's Cygnus cargo capsule on its first official resupply mission to the International Space Station. (Chris Perry / NASA) Back to slideshow navigation
  11. A long, long time ago...

    This long-exposure picture from the Hubble Space Telescope, released Jan. 8, is the deepest image ever made of any cluster of galaxies. The cluster known as Abell 2744 appears in the foreground. It contains several hundred galaxies as they looked 3.5 billion years ago. Abell 2744 acts as a gravitational lens to warp space, brightening and magnifying images of nearly 3,000 distant background galaxies. The more distant galaxies appear as they did more than 12 billion years ago, not long after the Big Bang. (NASA / NASA via AFP - Getty Images) Back to slideshow navigation
  12. Frosty halo

    Sun dogs are bright spots that appear in the sky around the sun when light is refracted through ice crystals in the atmosphere. These sun dogs appeared on Jan. 5 amid brutally cold temperatures along Highway 83, north of Bismarck, N.D. The temperature was about 22 degrees below zero Fahrenheit, with a 50-below-zero wind chill.

    Slideshow: The Year in Space (Brian Peterson / The Bismarck Tribune via AP) Back to slideshow navigation
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