:Product: Solar Region Summary :Issued: 2017 Dec 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 355 Issued at 0030Z on 21 Dec 2017 Report compiled from data received at SWO on 20 Dec I. Regions with Sunspots. Locations Valid at 20/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2692 N16E45 086 0070 Cao 04 06 Beta IA. H-alpha Plages without Spots. Locations Valid at 20/2400Z Dec Nmbr Location Lo None II. Regions Due to Return 21 Dec to 23 Dec Nmbr Lat Lo None