:Product: Solar Region Summary

:Issued: 2025 Mar 20 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 79 Issued at 0030Z on 20 Mar 2025
Report compiled from data received at SWO on 19 Mar

I.  Regions with Sunspots.  Locations Valid at 19/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4020 N19W66   195  0010 Axx  01   01 Alpha

4021 S05W50   179  0100 Cso  03   02 Beta

4022 N05W65   194  0030 Cao  04   04 Beta

4023 N25W45   174  0010 Axx  01   01 Alpha

4025 N11W52   181  0160 Dso  08   08 Beta

4026 S20W42   171  0030 Cro  04   04 Beta

4028 S17W10   139  0070 Dai  06   13 Beta

4030 S17E01   128  0060 Hsx  02   01 Alpha

4031 N16W36   165  0120 Eai  11   11 Beta-Gamma

4034 S13E16   113  0010 Bxi  06   11 Beta

4035 N15E46   083  0050 Dao  07   04 Beta

IA. H-alpha Plages without Spots.  Locations Valid at 19/2400Z Mar

Nmbr  Location  Lo

4019  N04W93   222

4029  S15W22   151

4032  N28W20   149

4033  N29E10   119

II. Regions Due to Return 20 Mar to 22 Mar

Nmbr Lat    Lo

4009 N12    022

4014 N17    017

4015 N27    011

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