:Product: Solar Region Summary

:Issued: 2025 Mar 15 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 74 Issued at 0030Z on 15 Mar 2025
Report compiled from data received at SWO on 14 Mar

I.  Regions with Sunspots.  Locations Valid at 14/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4018 S20W38   233  0060 Hsx  02   01 Alpha

4019 N05W23   218  0100 Dac  06   16 Beta-Delta

4020 N19W03   198  0040 Hsx  01   01 Alpha

4021 S05E15   180  0080 Hsx  02   04 Alpha

4022 N08E05   190  0020 Dai  08   09 Beta

4023 N25E18   177  0030 Hsx  02   01 Alpha

4025 N11E14   181  0060 Cao  05   07 Beta

4026 S19E23   172  0010 Axx  02   01 Alpha

4027 N11W50   245  0010 Axx  01   01 Alpha

4028 S18E57   138  0110 Dao  09   06 Beta-Gamma

IA. H-alpha Plages without Spots.  Locations Valid at 14/2400Z Mar

Nmbr  Location  Lo

4016  S25W89   284

4017  S05W73   268

II. Regions Due to Return 15 Mar to 17 Mar

Nmbr Lat    Lo

4002 N16    091

---

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.