:Product: Solar Region Summary
:Issued: 2025 Dec 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 351 Issued at 0030Z on 17 Dec 2025
Report compiled from data received at SWO on 16 Dec
I. Regions with Sunspots. Locations Valid at 16/2400Z
Nmbr Location Lo Area Z LL NN Mag Type
4305 S25W62 199 0050 Hax 02 01 Alpha
4307 S15W60 197 0110 Dao 09 06 Beta
4308 N07E04 134 0020 Cro 06 04 Beta
4309 S09W62 199 0010 Axx 01 01 Alpha
4310 N01W38 175 0010 Bxi 04 06 Beta
4311 N03E16 121 0020 Cro 02 03 Beta
IA. H-alpha Plages without Spots. Locations Valid at 16/2400Z Dec
Nmbr Location Lo
4303 S25W74 211
II. Regions Due to Return 17 Dec to 19 Dec
Nmbr Lat Lo
4302 S04 024
4301 S09 012
Thank you for using the Product Subscription Service. If you would like to remove a product subscription or update the personal information in your account, go to the
Product Subscription Site. Please do not use the from address for correspondence, as it is not monitored. For comments or help, please contact
SWPC Help.