:Product: Solar Region Summary

:Issued: 2025 Mar 14 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 73 Issued at 0030Z on 14 Mar 2025
Report compiled from data received at SWO on 13 Mar

I.  Regions with Sunspots.  Locations Valid at 13/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4018 S21W24   232  0100 Hsx  03   03 Alpha

4019 N06W09   217  0200 Dac  07   16 Beta-Delta

4020 N19E11   197  0050 Hsx  02   01 Alpha

4021 S06E29   179  0100 Cai  05   07 Beta-Delta

4022 N08E19   189  0030 Dro  06   06 Beta

4023 N25E32   176  0030 Hsx  02   01 Alpha

4024 N05W83   291  0010 Axx  01   01 Alpha

4025 N10E28   180  0030 Dro  05   07 Beta

4026 S20E37   171  0010 Bxo  04   03 Beta

4027 N11W36   244  0010 Axx  01   01 Alpha

4028 S17E65   143  0120 Dai  03   04 Beta

IA. H-alpha Plages without Spots.  Locations Valid at 13/2400Z Mar

Nmbr  Location  Lo

4016  S25W74   283

4017  S05W58   267

II. Regions Due to Return 14 Mar to 16 Mar

Nmbr Lat    Lo

4002 N16    091

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