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AVERAGES | OCT.
Solar Flux ---.-
Flare Max M5.5
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Here is a quick solar update on Tuesday morning. Solar activity declined to very low levels. Regions 2454 and 2457 gradually decayed during the past day and are now both a much smaller threat for moderate solar flares. Elsewhere, region 2456 is now a spotless plage as it approaches the west limb. Region 2458 did expand somewhat, but is not yet considered a major threat for noteworthy solar flares. What remains of old region 2443 is now beginning to turn into view off the east limb. No Earth directed coronal mass ejections were observed during the past 24 hours. Stay tuned to SolarHam.com for the latest data and imagery.
Visible Solar Disk (Nov 24) - SOD/HMI
November 22, 2015 @ 12:40 UTC
Large Filament Eruption (UPDATED)
A large filament stretching across the southeast quadrant erupted within the past several hours on Sunday morning. The eruption began at approximately 07:30 UTC and did launch a coronal mass ejection (CME) into space as per the latest coronagraph imagery by STEREO Ahead. More updates to follow once updated Earth facing imagery courtesy of LASCO C2 becomes available. Attached video below by the Solar Dynamics Observatory (SDO) using the 304 angstroms channel captures the eruption on Sunday morning. Stay tuned to SolarHam.com for the latest updates.
UPDATE: Coronagraph imagery following the filament eruption Sunday morning is starting to trickle in, and what we see so far is not very impressive. The plasma that was released appears to be directed away from our planet. A noteworthy impact to our geomagnetic field is unlikely. More updates if necessary once full imagery is available.
Prepared jointly by the U.S. Dept. of Commerce, NOAA,
Space Weather Prediction Center and the U.S. Air Force.
UPDATED 2015 November 24 1230 UTC
.24 hr Summary...
Solar activity was at low levels. The largest flare of the period was a
C1 at 23/1213 UTC from a region rotating around the NE limb. Region 2457
(N11E16, Dsi/beta-gamma) was the most complex region on the disk. Minor
decay was observed in its trailer and intermediate spots but it
maintained a beta-gamma classification. Region 2458 (N09E50, Dao/bata)
underwent separation and areal growth in its leader spot and rudimentary
penumbral growth around the trailer spot. Region 2454 (N14W74, Cao/beta)
decreased in number of spots and areal coverage while Region 2456
(N07W81, Hrx/alpha) decayed almost entirely.
No Earth-directed coronal mass ejections (CMEs) were observed in
available coronagraph imagery.
Solar activity is likely to be at low levels with a slight chance for
M-class flares (R1-R2 (Minor-Moderate) Radio Blackouts) for days one
through three (24-26 Nov).
[Full Report and Forecasts]
[Report of Solar-Geophysical Activity]
A - Alpha (single polarity spot).
B - Beta (bipolar spot configuration).
G - Gamma (atypical mixture of polarities).
BG - Beta-Gamma (mixture of polarities in a dominantly bipolar configuration).
D - Delta (opposite polarity umbrae within single penumbra).
BD - Beta with a Delta configuration.
BGD - Beta-Gamma with a Delta configuration.