:Product: Solar Region Summary

:Issued: 2026 Aug 21 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 233 Issued at 0030Z on 21 Aug 2026
Report compiled from data received at SWO on 20 Aug

I.  Regions with Sunspots.  Locations Valid at 20/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4507 N04W82   198  0300 Ehi  11   13 Beta-Gamma

4508 N09W50   166  0030 Hrx  03   02 Alpha

4513 N04E69   046  0180 Dac  08   12 Beta

4514 S10W56   172  0020 Cro  04   05 Beta

IA. H-alpha Plages without Spots.  Locations Valid at 20/2400Z Aug

Nmbr  Location  Lo

4511  S09W30   146

4512  S20W84   200

II. Regions Due to Return 21 Aug to 23 Aug

Nmbr Lat    Lo

4498 N14    014

4502 S07    012

4500 N19    010

4505 N16    355

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