:Product: Solar Region Summary

:Issued: 2026 Mar 17 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 76 Issued at 0030Z on 17 Mar 2026
Report compiled from data received at SWO on 16 Mar

I.  Regions with Sunspots.  Locations Valid at 16/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4392 S16E15   017  0160 Csi  06   12 Beta-Gamma

4393 N14W17   049  0030 Cro  05   07 Beta

4395 S05E27   005  0030 Dro  05   06 Beta

4396 N20E38   354  0010 Axx  01   01 Alpha

IA. H-alpha Plages without Spots.  Locations Valid at 16/2400Z Mar

Nmbr  Location  Lo

4387  N08W47   079

4389  N12W29   061

4390  N26W54   086

4391  N07W34   066

4394  S12E17   015

II. Regions Due to Return 17 Mar to 19 Mar

Nmbr Lat    Lo

None

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