:Product: Solar Region Summary

:Issued: 2026 Jan 17 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 17 Issued at 0030Z on 17 Jan 2026
Report compiled from data received at SWO on 16 Jan

I.  Regions with Sunspots.  Locations Valid at 16/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4336 S09W87   175  0170 Hsx  03   01 Alpha

4340 N24W21   109  0050 Cao  05   10 Beta

4341 S11E42   046  0840 Dkc  09   16 Beta-Gamma-Delta

4342 N17E47   041  0180 Dso  04   02 Beta

4343 S11W09   097  0310 Dki  09   18 Beta-Gamma

4344 N19E36   052  0010 Axx  01   01 Alpha

4345 S17E49   038  0020 Cao  03   04 Beta

4346 S14E61   026  0010 Hrx  01   01 Alpha

4347 N11E70   018  0060 Hsx  02   01 Alpha

IA. H-alpha Plages without Spots.  Locations Valid at 16/2400Z Jan

Nmbr  Location  Lo

4338  S06W84   172

II. Regions Due to Return 17 Jan to 19 Jan

Nmbr Lat    Lo

None

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