:Product: Solar Region Summary
:Issued: 2025 Mar 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 77 Issued at 0030Z on 18 Mar 2025
Report compiled from data received at SWO on 17 Mar
I. Regions with Sunspots. Locations Valid at 17/2400Z
Nmbr Location Lo Area Z LL NN Mag Type
4018 S19W78 235 0050 Hsx 02 01 Alpha
4019 N06W65 221 0040 Cao 03 06 Beta
4020 N19W42 198 0020 Hax 02 01 Alpha
4021 S06W24 180 0120 Cso 05 07 Beta
4022 N06W38 194 0030 Dao 05 06 Beta
4023 N25W19 175 0010 Axx 01 01 Alpha
4025 N11W26 182 0090 Dsi 07 12 Beta-Gamma
4028 S18E16 140 0100 Dai 07 17 Beta-Gamma
4030 S17E26 130 0070 Hsx 02 01 Alpha
4031 N15W10 166 0060 Dai 09 12 Beta-Gamma
4033 N24E37 119 0010 Axx 02 02 Alpha
4034 S14E46 110 0020 Cro 04 03 Beta
IA. H-alpha Plages without Spots. Locations Valid at 17/2400Z Mar
Nmbr Location Lo
4026 S19W19 175
4029 S15E06 150
4032 N28E08 148
II. Regions Due to Return 18 Mar to 20 Mar
Nmbr Lat Lo
4006 N18 047
4007 S11 042
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.