:Product: Solar Region Summary

:Issued: 2026 Mar 28 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 87 Issued at 0030Z on 28 Mar 2026
Report compiled from data received at SWO on 27 Mar

I.  Regions with Sunspots.  Locations Valid at 27/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4398 S17W55   301  0010 Axx  01   01 Alpha

4399 S17E02   244  0120 Cso  05   06 Beta

4400 S12W92   338  0050 Dai  07   07 Beta

4401 N25W02   248  0370 Ekc  12   28 Beta-Gamma

4402 N18E08   238  0070 Cao  04   05 Beta

4403 N16E40   206  0120 Hsx  03   02 Alpha

4404 N15E63   183  0050 Cso  07   03 Beta

4405 S25E66   180  0270 Eho  11   09 Beta

4406 N09E62   184  0070 Hsx  02   01 Alpha

IA. H-alpha Plages without Spots.  Locations Valid at 27/2400Z Mar

Nmbr  Location  Lo

4397  N15W53   299

II. Regions Due to Return 28 Mar to 30 Mar

Nmbr Lat    Lo

None

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