:Product: Solar Region Summary
:Issued: 2026 Apr 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 108 Issued at 0030Z on 18 Apr 2026
Report compiled from data received at SWO on 17 Apr
I. Regions with Sunspots. Locations Valid at 17/2400Z
Nmbr Location Lo Area Z LL NN Mag Type
4415 S18W46 015 0040 Hsx 02 01 Alpha
4416 N20W78 047 0090 Cso 03 03 Beta
4419 N14E15 314 0360 Eki 12 16 Beta-Gamma
IA. H-alpha Plages without Spots. Locations Valid at 17/2400Z Apr
Nmbr Location Lo
4414 N15W59 028
4418 S11W49 018
II. Regions Due to Return 18 Apr to 20 Apr
Nmbr Lat Lo
4403 N15 223
4404 N13 205
4406 N07 202
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