University of Western Ontario cameras capture 'fireball'

Oct 24, 2008

For the second time this year, The University of Western Ontario Meteor Group has captured incredibly rare video footage of a meteor falling to Earth. The team of astronomers suspects the fireball dropped meteorites in a region north of Guelph, Ontario, Canada, that may total as much as a few hundred grams in mass.

The Physics and Astronomy Department at Western has a network of all-sky cameras in southern Ontario that scan the sky monitoring for meteors.

On Wednesday, October 15 at 5:28 a.m., all seven cameras of Western's Southern Ontario Meteor Network recorded a bright, slow fireball in the predawn sky.

Associate Professor Peter Brown and Phil McCausland, a postdoctoral researcher in Planetary Science, are hoping to enlist the help of local residents in recovering one or more possible meteorites that may have crashed.

"This event was a relatively slow fireball that made it far into the Earth's atmosphere. Most meteoroids burn up by the time they hit an altitude of 60 or 70 kilometres from the ground," explains McCausland, who is heading to the region next week to investigate. "This one was tracked by our all-sky camera network to have penetrated to an altitude of about 37 kilometres and it slowed down considerably, so there is a possibility that at least one and possibly several small meteorites made it to the ground."

By knowing the trajectory from the camera observations, the researchers can also track backwards to get the orbit of the object before it hit the Earth.

"The meteorite was on a typical Earth-crossing asteroid-type orbit, so we also expect that it is a stony-type meteorite," says McCausland.

In March, the network of all-sky cameras captured video of a meteor falling to Earth that may have crashed in the Parry Sound area.

Source: University of Western Ontario

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User comments : 3

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bobwinners
5 / 5 (1) Oct 25, 2008
IT sure would be nice if this article included a link to a site where we could see the video!
Al3
not rated yet Oct 25, 2008
You would think that they would put a link to the video in the article. Here's a link to it and another version of the story with pictures.

http://aquarid.ph...ct15.htm

http://www.scienc...4136.htm
Soulfilet
not rated yet Apr 29, 2009
I saw a fireball come down 19 Jan 09 north of Toronto after sundown. It probably reached the ground, as it was growing brighter and spitting off orange sparks when it disappeared behind buildings on the horizon. I'd be interested in comparing notes with other witnesses... chevy87@rogers.com