:Product: Solar Region Summary

:Issued: 2026 Mar 13 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 72 Issued at 0030Z on 13 Mar 2026
Report compiled from data received at SWO on 12 Mar

I.  Regions with Sunspots.  Locations Valid at 12/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4381 N09W96   180  0080 Hsx  04   02 Alpha

4384 N08W68   152  0210 Dao  08   05 Beta

4387 N08E09   075  0010 Axx  01   01 Alpha

4388 S14W60   144  0010 Bxo  05   04 Beta

4389 N12E26   058  0010 Hrx  01   01 Alpha

4390 N26E01   083  0010 Bxo  05   02 Beta

4391 N05E21   063  0030 Dro  04   05 Beta

4392 S16E65   019  0080 Hsx  02   01 Alpha

4393 N13E37   047  0030 Cso  03   05 Beta

IA. H-alpha Plages without Spots.  Locations Valid at 12/2400Z Mar

Nmbr  Location  Lo

4385  S09W78   162

II. Regions Due to Return 13 Mar to 15 Mar

Nmbr Lat    Lo

None

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