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Message Subject SOLAR WATCH * Huge X8.2 Flare Sept. 10, 2017! (Updated Daily)
Poster Handle Anonymous Coward
Post Content
AR1455 seems to be decaying and regions 1454,56, 57, and 58 have pretty much disappeared. AR1459 in the SE looks big and strong, but we haven't seen much flaring so far.
:1459HMIIC:

The new region responsible for the "over the limb" flares is now right on the limb and it looks very large.

[link to sdo.gsfc.nasa.gov]

SIDC is predicting weak effects from the slow halo CME on April 18-19. From the daily SIDC bulletin-

COMMENT: Solar activity is low with only few C-class flares during the
past 24 hours. The returning NOAA AR 1449 (Catania 02) has beta magnetic
field configuration and has a potential for C-class and small chances
for a M-class flares. After the passage of the high-speed stream the
solar wind speed has decreased to the value of about 370 km/s. The
geomagnetic conditions are quiet. The arrival of the partial halo CME
from April 15 is expected on April 18 or early on April 19. We do not
expect strongly disturbed geomagnetic conditions (K index maximum 4) due
to the slow speed of the CME.
[link to sidc.oma.be]

Here's the CACTus details of that CME on the 15th:

[link to www.sidc.oma.be]

And SEEDS movie:

[link to spaceweather.gmu.edu]
 Quoting: Hugh M Eye


Why are the sunspots decaying when they come into earth's view. /Some of them were just formed few days back. What is happeneing.Any explanation for this???
 Quoting: Anonymous Coward 14520126




well,

they are not all decaying if they turn on the visible disc

Region 1455 for example which is the largest visible group now increased in size slightly yesterday

It is now a DSI type group at 170 millionths in size

Region 1459 also increased in size yesterday from a HRX type group at 30 millionths to a DSI type group at 80 millionths

All the other groups should little change, if any. No new regions were numbered

We can see right now the first signs of old region 1442 and it will soon aproach the east limb

We know this region was very active last days(flaring,cme's)


Another important thing on this is the latitude^^
 
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