:Product: Solar Region Summary

:Issued: 2025 May 19 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 139 Issued at 0030Z on 19 May 2025
Report compiled from data received at SWO on 18 May

I.  Regions with Sunspots.  Locations Valid at 18/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4087 N15W00   057  0240 Dso  09   04 Beta-Gamma-Delta

4089 N17E29   028  0020 Cro  05   04 Beta

4090 S13E37   020  0040 Hax  02   02 Alpha

4091 S13E24   033  0030 Cao  03   03 Beta

IA. H-alpha Plages without Spots.  Locations Valid at 18/2400Z May

Nmbr  Location  Lo

4084  S20W77   134

4085  N03W90   147

II. Regions Due to Return 19 May to 21 May

Nmbr Lat    Lo

4076 N07    324

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