:Product: Solar Region Summary
:Issued: 2025 Mar 21 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 80 Issued at 0030Z on 21 Mar 2025
Report compiled from data received at SWO on 20 Mar
I. Regions with Sunspots. Locations Valid at 20/2400Z
Nmbr Location Lo Area Z LL NN Mag Type
4021 S04W62 178 0090 Hsx 01 03 Alpha
4022 N05W78 194 0010 Axx 02 02 Alpha
4025 N10W64 180 0090 Cso 08 04 Beta
4026 S20W55 171 0020 Cro 04 05 Beta
4028 S17W24 140 0060 Cai 06 10 Beta
4030 S17W13 129 0060 Hsx 02 01 Alpha
4031 N17W48 164 0100 Cai 10 12 Beta
4034 S12E04 112 0020 Cso 05 08 Beta
4035 N15E32 084 0080 Dso 08 04 Beta
IA. H-alpha Plages without Spots. Locations Valid at 20/2400Z Mar
Nmbr Location Lo
4020 N19W80 196
4023 N25W59 175
4029 S15W36 152
4032 N28W34 150
4033 N29W04 120
II. Regions Due to Return 21 Mar to 23 Mar
Nmbr Lat Lo
4009 N12 022
4014 N17 017
4015 N27 011
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