:Product: Solar Region Summary
:Issued: 2025 Mar 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 81 Issued at 0030Z on 22 Mar 2025
Report compiled from data received at SWO on 21 Mar
I. Regions with Sunspots. Locations Valid at 21/2400Z
Nmbr Location Lo Area Z LL NN Mag Type
4021 S05W77 180 0120 Hsx 02 01 Alpha
4025 N09W77 178 0120 Hsx 02 01 Alpha
4026 S20W68 171 0030 Bxo 06 06 Beta
4028 S16W38 141 0080 Cai 07 10 Beta
4030 S18W25 128 0110 Hsx 02 01 Alpha
4031 N16W66 169 0120 Cao 07 05 Beta
4033 N19W19 122 0010 Axx 02 02 Alpha
4034 S12W09 112 0020 Cro 06 04 Beta
4035 N15E18 085 0080 Dao 08 06 Beta
4036 N06W24 127 0020 Dro 03 04 Beta
4037 N19W19 122 0010 Cro 03 02 Beta
4038 S15E60 043 0010 Axx 01 02 Alpha
4039 N09E70 033 0030 Cro 03 04 Beta
IA. H-alpha Plages without Spots. Locations Valid at 21/2400Z Mar
Nmbr Location Lo
4022 N05W91 195
4023 N25W72 176
4029 S15W50 153
4032 N28W48 151
II. Regions Due to Return 22 Mar to 24 Mar
Nmbr Lat Lo
4015 N27 011
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