:Product: Solar Region Summary
:Issued: 2025 Mar 13 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 72 Issued at 0030Z on 13 Mar 2025
Report compiled from data received at SWO on 12 Mar
I. Regions with Sunspots. Locations Valid at 12/2400Z
Nmbr Location Lo Area Z LL NN Mag Type
4012 S14W84 306 0080 Cai 04 08 Beta
4018 S21W09 231 0110 Cso 09 09 Beta
4019 N06E04 218 0210 Dac 08 15 Beta-Delta
4020 N19E23 199 0050 Hsx 02 01 Alpha
4021 S06E42 180 0100 Cai 05 07 Beta-Delta
4022 N08E33 189 0030 Dro 06 06 Beta
4023 N25E45 177 0030 Hsx 02 01 Alpha
4025 N10E44 178 0010 Bxi 05 07 Beta
4026 S20E50 172 0010 Bxo 03 03 Beta
4027 N11W21 243 0010 Bxo 04 03 Beta
IA. H-alpha Plages without Spots. Locations Valid at 12/2400Z Mar
Nmbr Location Lo
4013 S04W89 311
4016 S25W60 282
4017 S05W43 265
4024 N05W69 291
II. Regions Due to Return 13 Mar to 15 Mar
Nmbr Lat Lo
4000 N17 125
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