:Product: Solar Region Summary

:Issued: 2026 May 25 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 145 Issued at 0030Z on 25 May 2026
Report compiled from data received at SWO on 24 May

I.  Regions with Sunspots.  Locations Valid at 24/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4441 N08W85   285  0140 Eao  11   03 Beta

4443 S16W31   231  0050 Dso  06   04 Beta

4444 S21E29   171  0100 Hsx  03   01 Alpha

4445 N07E37   163  0020 Hsx  01   01 Alpha

4446 S13E59   141  0280 Dko  09   03 Beta

4447 S17E23   177  0120 Dao  06   14 Beta

IA. H-alpha Plages without Spots.  Locations Valid at 24/2400Z May

Nmbr  Location  Lo

4439  N06W44   244

4440  N17W41   241

4442  S15W56   256

II. Regions Due to Return 25 May to 27 May

Nmbr Lat    Lo

4432 N14    099

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