:Product: Solar Region Summary

:Issued: 2026 May 22 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 142 Issued at 0030Z on 22 May 2026
Report compiled from data received at SWO on 21 May

I.  Regions with Sunspots.  Locations Valid at 21/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4436 N18W90   330  0100 Csi  06   03 Beta

4439 N07W02   241  0030 Cao  03   02 Beta

4441 N08W45   285  0150 Eai  11   13 Beta-Gamma

4443 S16E10   230  0010 Dao  03   07 Beta

4444 S21E65   175  0060 Hsx  03   01 Alpha

IA. H-alpha Plages without Spots.  Locations Valid at 21/2400Z May

Nmbr  Location  Lo

4440  N17E01   240

4442  S15W14   254

II. Regions Due to Return 22 May to 24 May

Nmbr Lat    Lo

4431 S16    116

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