:Product: Solar Region Summary

:Issued: 2025 May 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 141 Issued at 0030Z on 21 May 2025
Report compiled from data received at SWO on 20 May

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

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4087 N16W27   058  0160 Eso  11   04 Beta-Delta

4089 N18E01   029  0010 Bxo  05   05 Beta

4090 S12E09   022  0040 Hax  02   02 Alpha

4092 S13E52   339  0050 Hsx  01   01 Alpha

4093 S06E64   327  0030 Cro  07   05 Beta

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

Nmbr  Location  Lo

4091  S13W05   036

II. Regions Due to Return 21 May to 23 May

Nmbr Lat    Lo

None

---

Thank you for using the Product Subscription Service. If you would like to remove a product subscription or update the personal information in your account, go to the Product Subscription Site. Please do not use the from address for correspondence, as it is not monitored. For comments or help, please contact SWPC Help.