:Product: Solar Region Summary

:Issued: 2025 Mar 11 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 70 Issued at 0030Z on 11 Mar 2025
Report compiled from data received at SWO on 10 Mar

I.  Regions with Sunspots.  Locations Valid at 10/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4012 S14W56   304  0150 Dao  08   10 Beta-Gamma

4018 S20E14   234  0100 Cso  02   03 Beta

4019 N07E31   217  0150 Dai  09   08 Beta-Gamma-Delta

4020 N18E50   198  0050 Hsx  03   01 Alpha

4021 S06E71   176  0050 Cso  04   02 Beta

IA. H-alpha Plages without Spots.  Locations Valid at 10/2400Z Mar

Nmbr  Location  Lo

4011  S14W63   311

4013  S04W59   307

4016  S25W32   280

4017  S05W13   261

II. Regions Due to Return 11 Mar to 13 Mar

Nmbr Lat    Lo

3999 N11    152

3996 S16    150

3998 S14    133

4000 N17    125

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