:Product: Solar Region Summary

:Issued: 2025 Aug 09 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 221 Issued at 0030Z on 09 Aug 2025
Report compiled from data received at SWO on 08 Aug

I.  Regions with Sunspots.  Locations Valid at 08/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4161 S15W86   138  0060 Cso  02   01 Beta

4165 N11W51   103  0150 Hsx  03   02 Alpha

4168 N05W51   103  0350 Eki  11   17 Beta-Gamma-Delta

4169 N23E18   034  0110 Cso  03   07 Beta

4170 S16W82   134  0080 Dso  07   04 Beta

4171 N18E37   015  0030 Hsx  02   01 Alpha

4172 N08E25   027  0140 Eai  11   14 Beta-Gamma

4173 S18W56   108  0020 Dro  05   03 Beta

4174 S08W31   083  0010 Hrx  01   01 Alpha

4175 N12E59   353  0020 Hrx  01   02 Alpha

4176 N26E45   007  0020 Dro  03   04 Beta

4177 N05E59   353  0020 Hrx  02   01 Alpha

IA. H-alpha Plages without Spots.  Locations Valid at 08/2400Z Aug

Nmbr  Location  Lo

None

II. Regions Due to Return 09 Aug to 11 Aug

Nmbr Lat    Lo

4158 S15    314

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