:Product: Solar Region Summary

:Issued: 2026 Aug 13 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 225 Issued at 0030Z on 13 Aug 2026
Report compiled from data received at SWO on 12 Aug

I.  Regions with Sunspots.  Locations Valid at 12/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4503 S17W39   261  0040 Dao  05   06 Beta

4506 N12E10   212  0020 Cri  07   11 Beta

4507 N04E29   193  0080 Dso  07   07 Beta

4508 N07E56   166  0120 Hax  03   02 Alpha

4509 N12W47   269  0020 Cro  03   06 Beta

IA. H-alpha Plages without Spots.  Locations Valid at 12/2400Z Aug

Nmbr  Location  Lo

4504  S19W28   250

II. Regions Due to Return 13 Aug to 15 Aug

Nmbr Lat    Lo

4492 N16    124

4497 S19    124

4495 S04    121

4494 S04    108

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