:Product: Solar Region Summary
:Issued: 2025 Dec 21 0030 UTC
# Prepared jointly by the U.S. Dept. of Commerce, NOAA,
# Space Weather Prediction Center and the U.S. Air Force.
#
Joint USAF/NOAA Solar Region Summary
SRS Number 355 Issued at 0030Z on 21 Dec 2025
Report compiled from data received at SWO on 20 Dec
I. Regions with Sunspots. Locations Valid at 20/2400Z
Nmbr Location Lo Area Z LL NN Mag Type
4311 N04W41 125 0010 Bxo 03 01 Beta
4312 N19E32 052 0040 Hsx 02 01 Alpha
4314 N24E31 053 0010 Bxo 05 04 Beta
4315 N20E49 035 0010 Bxo 05 02 Beta
4316 S00E40 044 0040 Dao 03 04 Beta
4317 N13E73 011 0050 Dao 05 02 Beta
IA. H-alpha Plages without Spots. Locations Valid at 20/2400Z Dec
Nmbr Location Lo
4308 N08W53 137
4313 S14E02 082
II. Regions Due to Return 21 Dec to 23 Dec
Nmbr Lat Lo
4298 S16 323
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