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07:36 PM

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Message Subject SOLAR WATCH * Huge X8.2 Flare Sept. 10, 2017! (Updated Daily)

Poster Handle Anonymous Coward

Post Content

morning everyone :)
i was reading and trying to find a CME that i knew was to give a glancing blow
i thought it was for today? but i found it and it says for the 29th

"Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 207 Issued at 2200Z on 25 Jul 2012
IA. Analysis of Solar Active Regions and Activity from 24/2100Z
to 25/2100Z: Solar activity was very low. Slight growth was
observed in Region 1526 (S17W00). The remainder of the disk and
limb was quiet and stable. A relatively slow moving CME
(approximate plane-of-sky speed of 350 km/s) was observed off the
southern limb in SOHO/LASCO C2 imagery beginning at 25/0236Z.
Correlations with STEREO-A COR2 imagery indicated ejecta movement
was slightly south of the ecliptic plane with a possible
Earth-directed component. This CME was likely the result of a small
filament eruption just south of central disk observed in H-alpha
imagery at approximately 24/2235Z. A preliminary WSA ENLIL model
run of the event indicated a weak impact early on 29 July."
[link to spaceref.com]

i will have to look into this a bit more for you all

i did however come to post this tid bit of info

New region 11532 [S20E69] rotated partly into view on July 25 and was numbered the next day by SWPC. The region is close to an FSO classification. C flares are possible and there is a slight chance of an M class flare.

An unusually large filament system is situated across the equator between the active regions in the northern and southern parts of the eastern hemisphere. The filament system appears to be stable but should be watched for activity as an eruption while it is near the central meridian could cause a major geomagnetic storm
[link to www.solen.info]

that whole southeastern region is starting to wake up a bit more and we are now seeing elevated Xray levels

Quoting: NiNzrez

Hi Nin! We see some very interesting plasma "clouds" that seem to hang above the solar surface for a long time, days even, usually these masses fall right back to the surface, so they are interesting- magnetic lines hold it all up- even tho it's wispy like clouds.
Was the CME you are speaking of the one that looks like a light-bulb w/a huge filament inside? Pictured all over this thread yesterday?

Quoting: SpiderJones

those "clouds" are called Solar Prominences
they are quite common
"A prominence is a large, bright feature extending outward from the Sun's surface, often in a loop shape. Prominences are anchored to the Sun's surface in the photosphere, and extend outwards into the Sun's corona. While the corona consists of extremely hot ionized gases, known as plasma, which do not emit much visible light, prominences contain much cooler plasma, similar in composition to that of the chromosphere. A prominence forms over timescales of about a day, and stable prominences may persist in the corona for several months. Some prominences break apart and give rise to coronal mass ejections."
[link to en.wikipedia.org]
(sorry for the wiki link, but it has the best full description)

these can be thick and extend from end to end
or they can appear as fluffy light clouds above the solar surface with no visable beginning or end

about the CME, no, this report was from July 25th
Issued: 2012 Jul 25 2200 UTC
it was a small CME that was from the 25th that we can see here
[link to stereo-ssc.nascom.nasa.gov]

Quoting: NiNzrez

Ah, so, thank- you very much!

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