:Product: Solar Region Summary

:Issued: 2025 Dec 12 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 346 Issued at 0030Z on 12 Dec 2025
Report compiled from data received at SWO on 11 Dec

I.  Regions with Sunspots.  Locations Valid at 11/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4294 S15W81   284  0780 Ekc  14   15 Beta-Gamma-Delta

4296 S15W69   272  0420 Eko  12   06 Beta-Gamma

4299 N22W64   266  0010 Bxo  04   04 Beta

4304 N26W49   252  0110 Cai  07   06 Beta-Gamma

4305 S25E06   196  0140 Dao  08   08 Beta

4306 S16W28   231  0010 Bxo  04   05 Beta

4307 S11E08   195  0030 Dro  04   09 Beta

IA. H-alpha Plages without Spots.  Locations Valid at 11/2400Z Dec

Nmbr  Location  Lo

4295  N06W84   286

4300  N08W59   261

4303  S25W04   206

II. Regions Due to Return 12 Dec to 14 Dec

Nmbr Lat    Lo

4292 S16    104

4287 N01    089

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