:Product: Solar Region Summary

:Issued: 2025 Aug 19 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 231 Issued at 0030Z on 19 Aug 2025
Report compiled from data received at SWO on 18 Aug

I.  Regions with Sunspots.  Locations Valid at 18/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4171 N18W91   011  0010 Hrx  01   01 Alpha

4180 S02W25   305  0010 Bxo  09   06 Beta

4182 N08E02   278  0010 Axx  01   01 Alpha

4186 N06W91   011  0040 Dso  04   02 Beta

4187 S18E19   261  0010 Cro  03   02 Beta

4188 S09E72   208  0040 Hax  03   01 Alpha

IA. H-alpha Plages without Spots.  Locations Valid at 18/2400Z Aug

Nmbr  Location  Lo

4175  N12W76   356

4177  N05W74   354

4179  S12W38   318

II. Regions Due to Return 19 Aug to 21 Aug

Nmbr Lat    Lo

4167 N11    185

4161 S14    154

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