:Product: Solar Region Summary
:Issued: 2026 Mar 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 75 Issued at 0030Z on 16 Mar 2026
Report compiled from data received at SWO on 15 Mar
I. Regions with Sunspots. Locations Valid at 15/2400Z
Nmbr Location Lo Area Z LL NN Mag Type
4391 N07W19 063 0010 Bxo 02 04 Beta
4392 S16E28 016 0170 Cso 05 09 Beta
4393 N14W02 047 0030 Cro 06 08 Beta
4394 S12E31 014 0010 Axx 01 01 Alpha
4395 S05E41 004 0040 Cro 05 04 Beta
4396 N20E55 349 0010 Bxo 04 07 Beta
IA. H-alpha Plages without Spots. Locations Valid at 15/2400Z Mar
Nmbr Location Lo
4387 N08W33 078
4389 N10W16 061
4390 N26W40 085
II. Regions Due to Return 16 Mar to 18 Mar
Nmbr Lat Lo
None
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