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(YouTube)   Just as the Hurricane is doing its worst, a solar storm will make the situation even worse. Here is your space weather report   ( divider line
    More: Scary  
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462 clicks; posted to STEM » on 29 Sep 2022 at 10:21 PM (18 weeks ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook

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2022-09-29 10:29:25 PM  
3 votes:
media.tenor.coView Full Size
2022-09-29 10:33:50 PM  
2 votes:
"Region 3110"?

farking hell.  NOAA's crappy format that they use for 'naming' active regions only uses 4 characters.  It's actually AR13110.

I've been out of the field for a year now, and was only an 'independent contractor' for the 4 before that, so wasn't going to SPD meetings (Solar Physics Division of the American Astronomical Society), but the only group in the US that's supposed to be giving forecasts is NOAA's SWPC.  (NASA's CCMC got in trouble when they gave conflicting information.). SWPC is currently forecasting G2 on Saturday, which is something, but nothing for most people to worry about.

Should make for some good aurora at high latitudes, though.  And polar flights will likely be re-routed.

If you want a collection of the data and  forecasts, see (for some reason, they're not showing any data for today yet... and I'm not going to ask around to see what pipeline is screwed up right now)
2022-09-30 7:07:30 AM  
2 votes:

Calamity Gin: That was really, really interesting. How do they determine which part of the Sun is the *east* limb when it's in rotation?

East limb is the left side of the image if solar north is at the top of the image.

The only reference that moves is the Carrington line.

If you're really interested in solar coordinate systems, see Bill Thompson's 2005 paper:
2022-09-30 12:25:59 AM  
1 vote:
That was really, really interesting. How do they determine which part of the Sun is the *east* limb when it's in rotation?
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