:Product: Solar Region Summary

:Issued: 2026 Aug 18 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 230 Issued at 0030Z on 18 Aug 2026
Report compiled from data received at SWO on 17 Aug

I.  Regions with Sunspots.  Locations Valid at 17/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4506 N12W58   213  0090 Dao  07   06 Beta

4507 N04W41   196  0280 Eki  12   20 Beta-Gamma

4508 N08W09   164  0090 Cao  06   03 Beta

4510 N12W68   223  0030 Cai  04   07 Beta

IA. H-alpha Plages without Spots.  Locations Valid at 17/2400Z Aug

Nmbr  Location  Lo

4511  S09E12   143

4512  S20W42   197

II. Regions Due to Return 18 Aug to 20 Aug

Nmbr Lat    Lo

4501 S07    052

4499 N04    052

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