: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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