:Product: Solar Region Summary :Issued: 2026 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 2026 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 4384 N10W94 152 0230 Dai 10 11 Beta 4391 N06W06 064 0010 Bxo 03 03 Beta 4392 S15E41 017 0090 Cso 04 03 Beta 4393 N13E10 048 0030 Cro 02 04 Beta 4394 S12E44 014 0010 Axx 01 01 Alpha 4395 S04E53 005 0010 Bxo 03 03 Beta IA. H-alpha Plages without Spots. Locations Valid at 14/2400Z Mar Nmbr Location Lo 4387 N08W19 077 4388 S14W85 143 4389 N10W02 060 4390 N26W26 084 II. Regions Due to Return 15 Mar to 17 Mar Nmbr Lat Lo None