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Welcome to Idaho Skies for September 14th, 15th, and 16th. We’re your hosts, Paul…
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…and Rachel.
PAUL
Night owls, get your binoculars out!
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Because there’s a comet you might be able to see.
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The comet’s name is Giacobini-Zinner.
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And it was discovered 118 years ago this December
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Comet Giacobini-Zinner orbits the sun once every 6.6 years.
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Its path takes beyond Jupiter…
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… and just outside Earth’s orbit.
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And this year it reaches its closest point to the sun when Earth is nearby.
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Which means it should be bright enough to see through binoculars.
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Best of, it will appear very close to the bright star Capella on the morning of the 15th.
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So even if you can’t see the comet without optical aid, you’ll still know where to point your binoculars.
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Now your chances of seeing the comet are better if you get out of town to make this observation.
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After arriving at a dark location, look in the low northeast for the brightest star.
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That star is Capella, the brightest star of the pentagon-shaped Auriga.
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Point your binoculars at this star and look just to its lower left.
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The distance between Capella and Giacobini-Zinner is 1.5 degrees.
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Or about 1/6th the distance across your binoculars’ field of view.
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The comet will appear as a hazy disk that might appear elongated slightly to the upper right.
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That’s Idaho Skies for the 14th, 15th, and 16th of September.
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Be sure to follow us on Twitter @IdahoSkies for this week’s event reminders and sky maps.
For Idaho Skies this is Rachel…
PAUL
…and Paul.
RACHEL
Dark skies and bright stars.
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