:Product: Solar Region Summary

:Issued: 2026 Jan 20 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 20 Issued at 0030Z on 20 Jan 2026
Report compiled from data received at SWO on 19 Jan

I.  Regions with Sunspots.  Locations Valid at 19/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4341 S11E03   046  0290 Dkc  09   12 Beta-Gamma

4342 N14E10   039  0140 Dai  07   15 Beta

4343 S10W49   098  0110 Dai  10   13 Beta

4344 N18W01   048  0030 Dro  05   05 Beta

4345 S16E11   038  0030 Cro  06   07 Beta

4347 N11E34   015  0060 Hsx  02   01 Alpha

4348 S18W15   064  0020 Cro  04   03 Beta

4349 S14E73   336  0020 Hsx  01   01 Alpha

4350 N20E56   353  0020 Dro  04   03 Beta

4351 S05E46   003  0020 Dro  03   02 Beta

IA. H-alpha Plages without Spots.  Locations Valid at 19/2400Z Jan

Nmbr  Location  Lo

4340  N14W64   113

4346  S14E20   029

II. Regions Due to Return 20 Jan to 22 Jan

Nmbr Lat    Lo

4325 S09    316

4323 S17    305

4324 N25    300

4333 S10    291

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