:Product: Solar Region Summary :Issued: 2017 Feb 21 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 52 Issued at 0030Z on 21 Feb 2017 Report compiled from data received at SWO on 20 Feb I. Regions with Sunspots. Locations Valid at 20/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2637 S04E47 125 0010 Axx 01 01 Alpha 2638 N18E58 114 0080 Dao 10 04 Beta IA. H-alpha Plages without Spots. Locations Valid at 20/2400Z Feb Nmbr Location Lo 2636 N11W13 185 II. Regions Due to Return 21 Feb to 23 Feb Nmbr Lat Lo None