:Product: Solar Region Summary

:Issued: 2026 Mar 15 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 74 Issued at 0030Z on 15 Mar 2026
Report compiled from data received at SWO on 14 Mar

I.  Regions with Sunspots.  Locations Valid at 14/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4384 N10W94   152  0230 Dai  10   11 Beta

4391 N06W06   064  0010 Bxo  03   03 Beta

4392 S15E41   017  0090 Cso  04   03 Beta

4393 N13E10   048  0030 Cro  02   04 Beta

4394 S12E44   014  0010 Axx  01   01 Alpha

4395 S04E53   005  0010 Bxo  03   03 Beta

IA. H-alpha Plages without Spots.  Locations Valid at 14/2400Z Mar

Nmbr  Location  Lo

4387  N08W19   077

4388  S14W85   143

4389  N10W02   060

4390  N26W26   084

II. Regions Due to Return 15 Mar to 17 Mar

Nmbr Lat    Lo

None

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