:Product: Solar Region Summary

:Issued: 2026 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 2026
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

4506 N12W72   214  0080 Dao  08   06 Beta

4507 N04W55   197  0300 Ehi  13   15 Beta-Gamma-Delta

4508 N08W23   165  0090 Cao  05   05 Beta

4510 N12W81   223  0040 Dao  05   05 Beta

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

Nmbr  Location  Lo

4511  S09W02   144

4512  S20W56   198

II. Regions Due to Return 19 Aug to 21 Aug

Nmbr Lat    Lo

4499 N04    052

4498 N14    014

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