:Product: Solar Region Summary

:Issued: 2025 Aug 16 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 228 Issued at 0030Z on 16 Aug 2025
Report compiled from data received at SWO on 15 Aug

I.  Regions with Sunspots.  Locations Valid at 15/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4169 N22W72   031  0040 Hsx  01   01 Alpha

4171 N19W52   011  0030 Hsx  01   01 Alpha

4172 N09W73   032  0160 Dao  05   09 Beta-Gamma

4175 N13W34   353  0010 Hsx  01   01 Alpha

4177 N05W33   352  0020 Hsx  01   01 Alpha

4179 S10E01   318  0030 Cso  06   04 Beta

4180 S02E16   303  0040 Dao  08   07 Beta

4181 S11W54   013  0010 Axx  01   01 Alpha

4182 N09E42   277  0020 Hsx  01   01 Alpha

4183 S02W74   033  0010 Bxo  04   03 Beta

4184 S19W50   009  0020 Cso  04   02 Beta

4185 N17W49   008  0010 Bxo  03   04 Beta

4186 N07W47   006  0040 Cso  03   03 Beta

IA. H-alpha Plages without Spots.  Locations Valid at 15/2400Z Aug

Nmbr  Location  Lo

4176  N25W53   012

II. Regions Due to Return 16 Aug to 18 Aug

Nmbr Lat    Lo

4153 S29    229

4154 S13    226

4155 S08    215

4157 S21    213

4166 N25    209

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