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REPORT COPYRIGHT VIOLATION IN REPLY
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Message Subject
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SOLAR WATCH * Huge X8.2 Flare Sept. 10, 2017! (Updated Daily)
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Poster Handle
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Hugh M Eye |
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Post Content
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WE finally have the CACTus details--median velocity is logged at 811 km/s; nowhere near as fast as first reported, but a Type IV Halo nonetheless (a full 360 degrees!). From the NASA CME cygnet it seems Earth will see some of the greatest density. No chance of a "glancing blow" this time, LOL. CACTus CME details: [ link to www.sidc.oma.be] CACTus Diagnostics CME list: [ link to www.sidc.oma.be] great stuff, but I still wonder why we can almost not see any CME on the SDO. The flare looks fairly small... Here's a "difference" movie from SDO which makes the CME more visible. Also, keep in mind that the size of the X-ray flare (C 3.7) has nothing to do with the size of a CME or its geo-effectiveness. [ link to sdowww.lmsal.com] And the b&w AIA304 movie: [ link to sdowww.lmsal.com] By the way, does anybody know if there's a "Solar Doom" conference or something this week? Spaceweather.com is woefully behind the curve (even more than usual) and Solarsoft is barely functioning (their flare list is days behind, which is very unusual).
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