:Product: Solar Region Summary

:Issued: 2025 May 23 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 143 Issued at 0030Z on 23 May 2025
Report compiled from data received at SWO on 22 May

I.  Regions with Sunspots.  Locations Valid at 22/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4087 N15W57   061  0090 Hsx  02   01 Alpha

4090 S12W17   021  0030 Hsx  01   01 Alpha

4092 S14E25   339  0060 Hsx  01   01 Alpha

4093 S07E36   328  0020 Hsx  01   01 Alpha

4094 N20E35   329  0010 Cro  04   02 Beta

4095 S05W71   075  0070 Dai  05   08 Beta-Gamma

4096 N06E57   307  0050 Hsx  02   01 Alpha

4097 S13E63   301  0020 Cro  03   04 Beta

IA. H-alpha Plages without Spots.  Locations Valid at 22/2400Z May

Nmbr  Location  Lo

4089  N11W27   031

4091  S13W34   038

II. Regions Due to Return 23 May to 25 May

Nmbr Lat    Lo

4079 N08    261

---

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.