:Product: Solar Region Summary

:Issued: 2026 Mar 19 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 78 Issued at 0030Z on 19 Mar 2026
Report compiled from data received at SWO on 18 Mar

I.  Regions with Sunspots.  Locations Valid at 18/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4391 N07W61   066  0010 Axx  01   01 Alpha

4392 S17W12   017  0170 Csi  04   13 Beta-Gamma

4393 N14W45   050  0020 Cso  07   04 Beta

4395 S06W01   006  0010 Bxo  05   07 Beta

4397 N17E69   296  0030 Cro  06   08 Beta

IA. H-alpha Plages without Spots.  Locations Valid at 18/2400Z Mar

Nmbr  Location  Lo

4387  N08W75   080

4389  N12W57   062

4390  N26W82   087

4394  S12W10   015

4396  N20E14   352

II. Regions Due to Return 19 Mar to 21 Mar

Nmbr Lat    Lo

4386 N16    256

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