:Product: Solar Region Summary
:Issued: 2026 Jan 31 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 31 Issued at 0030Z on 31 Jan 2026
Report compiled from data received at SWO on 30 Jan
I. Regions with Sunspots. Locations Valid at 30/2400Z
Nmbr Location Lo Area Z LL NN Mag Type
4349 S14W73 337 0130 Cso 03 04 Beta
4357 S13W47 311 0020 Cao 08 05 Beta
4358 N14E23 241 0010 Axx 03 02 Alpha
4359 N18E01 263 0010 Axx 01 01 Alpha
4360 S15E26 237 0010 Axx 01 01 Alpha
4362 S17E58 206 0020 Hsx 01 01 Alpha
4363 S24E59 205 0030 Cao 07 03 Beta
4365 N28W12 276 0010 Axx 01 01 Alpha
4366 N16E65 199 0060 Dai 05 04 Beta
IA. H-alpha Plages without Spots. Locations Valid at 30/2400Z Jan
Nmbr Location Lo
4350 N18W84 348
4355 S13W35 299
4356 S10W62 326
4361 N19W56 320
4364 S17W33 297
II. Regions Due to Return 31 Jan to 02 Feb
Nmbr Lat Lo
None
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