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Odd Auroral coverage map?

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posted on Sep, 21 2011 @ 02:47 PM
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I wonder if someone can explain what this red arrow is?



The image is what Spaceweather currently has on their front page and I check there occasionally to see what new items might be interesting to read about. I haven't seen this map image with arrows or additional graphics like this before? I'm sure there is some routine explanation, but can someone out there satisfy my curiosity as to what it might be?

edit on 21-9-2011 by Wrabbit2000 because: typo




posted on Sep, 21 2011 @ 02:51 PM
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A link to the original website would be a good start, there is probably an explanation somewhere on the website.



posted on Sep, 21 2011 @ 02:54 PM
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The arrow points to the location of the Sun.



posted on Sep, 21 2011 @ 02:54 PM
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Off the top of my head, it looks like a map depicting the possible view areas of the aura borealis (sp?).



posted on Sep, 21 2011 @ 02:55 PM
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NOAA


The discription of the red arrow is right below the photo.




The red arrow in the plot, that looks like a clock hand, points toward the noon meridian.

edit on 21-9-2011 by lilowl53 because: Quote



posted on Sep, 21 2011 @ 03:26 PM
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reply to post by Phage
 

Thanks Phage. I figured someone far more familiar with looking at those maps would know at a glance what that meant.



posted on Sep, 21 2011 @ 03:36 PM
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reply to post by mileysubet
 

My bad on that. I think it's been answered but here was the link I'd started from in asking:

Space Weather - Various Maps, Data Streams and Stories about our changing Solar System

The display is a permanent feature on the left side bar, and they had no explanation for what that arrow was. I know this wasn't the deepest question I've ever managed to come up with on a thread, but I still appreciate the quick answers!




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