:Product: Solar Region Summary
:Issued: 2026 May 28 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 148 Issued at 0030Z on 28 May 2026
Report compiled from data received at SWO on 27 May
I. Regions with Sunspots. Locations Valid at 27/2400Z
Nmbr Location Lo Area Z LL NN Mag Type
4443 S17W67 227 0020 Hsx 02 01 Alpha
4444 S21W09 169 0090 Hsx 02 01 Alpha
4445 N07W02 162 0005 Axx 01 01 Alpha
4446 S16E30 131 0400 Fko 24 17 Beta-Gamma
4447 S17W14 175 0145 Dsi 07 13 Beta
4448 S07E28 132 0070 Cao 08 06 Beta
4449 S10E23 138 0065 Hax 02 02 Alpha
4452 N09W21 181 0060 Cai 05 09 Beta
4453 N11W63 224 0010 Bxo 04 02 Beta
4454 S15E61 099 0010 Axx 01 01 Alpha
4455 N14E78 082 0450 Hax 05 02 Alpha
IA. H-alpha Plages without Spots. Locations Valid at 27/2400Z May
Nmbr Location Lo
4439 N06W87 247
4440 N17W83 243
4450 N10E21 140
II. Regions Due to Return 28 May to 30 May
Nmbr Lat Lo
4433 S17 068
4435 N22 053
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