:Product: Solar Region Summary

:Issued: 2025 Jul 18 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 199 Issued at 0030Z on 18 Jul 2025
Report compiled from data received at SWO on 17 Jul

I.  Regions with Sunspots.  Locations Valid at 17/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4135 S08W65   048  0040 Hsx  02   01 Alpha

4136 N21W37   020  0280 Dkc  05   10 Beta-Delta

4139 N22W55   038  0260 Dko  08   12 Beta-Gamma

4140 S17W06   349  0020 Bxi  02   04 Beta

4142 N01E08   335  0180 Dai  10   15 Beta-Gamma

4143 N25W25   008  0260 Dai  09   13 Beta-Gamma

4144 S15E35   308  0040 Hsx  01   01 Alpha

4145 S23W06   349  0030 Cro  05   06 Beta

4146 N19W46   029  0020 Hsx  01   01 Alpha

4147 N06E41   302  0010 Axx  01   01 Alpha

4148 S07W16   359  0040 Cao  05   04 Beta

IA. H-alpha Plages without Spots.  Locations Valid at 17/2400Z Jul

Nmbr  Location  Lo

None

II. Regions Due to Return 18 Jul to 20 Jul

Nmbr Lat    Lo

4123 S28    244

4122 N12    240

---

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.