:Product: Solar Region Summary

:Issued: 2026 May 26 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 146 Issued at 0030Z on 26 May 2026
Report compiled from data received at SWO on 25 May

I.  Regions with Sunspots.  Locations Valid at 25/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4441 N11W96   283  0140 Eao  11   03 Beta

4443 S16W44   230  0030 Cso  06   02 Beta

4444 S21E16   171  0090 Hsx  02   01 Alpha

4445 N07E26   161  0020 Cro  04   03 Beta

4446 S14E45   142  0220 Hax  04   03 Alpha

4447 S17E11   175  0150 Dso  06   05 Beta

4448 S07E55   132  0075 Dao  08   04 Beta

4449 S10E50   137  0080 Dao  03   03 Beta

4450 N10E49   138  0010 Bxo  01   05 Beta

4451 S16E65   122  0030 Cro  03   03 Beta

IA. H-alpha Plages without Spots.  Locations Valid at 25/2400Z May

Nmbr  Location  Lo

4439  N06W59   246

4440  N17W55   242

4442  S15W70   257

II. Regions Due to Return 26 May to 28 May

Nmbr Lat    Lo

4433 S17    068

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