:Product: Solar Region Summary

:Issued: 2026 Aug 17 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 229 Issued at 0030Z on 17 Aug 2026
Report compiled from data received at SWO on 16 Aug

I.  Regions with Sunspots.  Locations Valid at 16/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4506 N12W46   215  0100 Dao  08   07 Beta-Gamma

4507 N04W29   198  0240 Eai  12   20 Beta-Gamma

4508 N07E03   166  0090 Cso  06   02 Beta

4510 N13W59   228  0010 Axx  01   01 Alpha

IA. H-alpha Plages without Spots.  Locations Valid at 16/2400Z Aug

Nmbr  Location  Lo

4504  S19W84   253

4511  S09E26   143

4512  S20W28   197

II. Regions Due to Return 17 Aug to 19 Aug

Nmbr Lat    Lo

4496 N04    077

4501 S07    052

4499 N04    052

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