The Sun Today :
Updated April 23, 2014
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Updated 04/23/2014 @ 11:00 UTC
Good morning. Below is an updated look at the visible solar disk on Wednesday. Solar activity declined to much lower levels this morning. Regions 2034 and 2036 are now located behind the west limb and out of direct Earth view. Region 2035, now the largest visible sunspot group, is currently stable as it begins to rotate onto the west limb. All other numbered regions are either stable or in a state of decay. The chances of an isolated M-Class event today will be low. Stay tuned to SolarHam.com for the latest space weather news and information.
The Visible Solar Disk (Wednesday) - Click for Map
Added 04/21/2014 @ 14:15 UTC
The Solar Dynamics Observatory (SDO) provided us with a front row seat to multiple eruptive events off the northwest limb during the past couple of days. This full disk inverted video using the 304 angstroms channel shows at least 5 eruptions off the limb (top right in video). A number of coronal mass ejections were seen leaving the area in coronagraph imagery, but were each directed away from our planet due to the non geoeffective position. Enjoy the show!
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Prepared jointly by the U.S. Dept. of Commerce, NOAA,
Space Weather Prediction Center and the U.S. Air Force.
UPDATED 2014 Apr 23 1230 UTC
.24 hr Summary...
Solar activity was at low levels due to only four C-class flares
occurring during the past 24 hours. Region 2038 (S11W40, Dai/beta-gamma)
was responsible for half of the flare activity, including the largest
flare of the period, a C4/Sf flare at 23/0104 UTC. Region 2035 (S13W78,
Ekc/beta-gamma) remained one of the most magnetically complex regions on
the visible disk, yet was fairly inactive. The remaining spotted regions
were either relatively stable or showed slight decay. No new regions
were numbered. No Earth-directed coronal mass ejections (CMEs) were
observed during the period.
Solar activity is expected to be at low levels, with a chance for
M-class flares (NOAA Scale R1/R2 - Minor/Moderate) for the forecast
period (23-25 Apr) as Regions 2034, 2035, and 2036 make their way around
the west limb.
[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.
[Latest NOAA Sunspot Summary]
[Latest Solar Region Summary (SRS)]
[SolarHam Sunspot Summary]