: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
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.