:Product: Solar Region Summary

:Issued: 2026 Jan 18 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 18 Issued at 0030Z on 18 Jan 2026
Report compiled from data received at SWO on 17 Jan

I.  Regions with Sunspots.  Locations Valid at 17/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4341 S11E30   045  0500 Dkc  09   18 Beta-Gamma

4342 N17E35   040  0100 Cso  03   06 Beta

4343 S10W22   097  0240 Dai  10   20 Beta-Delta

4344 N19E23   052  0030 Cro  03   03 Beta

4345 S16E37   038  0010 Bxo  05   05 Beta

4346 S13E48   027  0010 Axx  01   01 Alpha

4347 N10E60   015  0060 Hsx  02   01 Alpha

IA. H-alpha Plages without Spots.  Locations Valid at 17/2400Z Jan

Nmbr  Location  Lo

4340  N14W36   111

II. Regions Due to Return 18 Jan to 20 Jan

Nmbr Lat    Lo

4325 S09    316

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