:Product: Solar Region Summary

:Issued: 2026 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 2026
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

4374 N09W77   065  0150 Hsx  03   01 Alpha

4375 N17W48   036  0010 Axx  01   01 Alpha

4377 N07W16   004  0010 Bxo  04   02 Beta

IA. H-alpha Plages without Spots.  Locations Valid at 20/2400Z Feb

Nmbr  Location  Lo

4376  N13W27   015

II. Regions Due to Return 21 Feb to 23 Feb

Nmbr Lat    Lo

4366 N14    222

4362 S18    222

4363 S26    220

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