:Product: Solar Region Summary

:Issued: 2025 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 2025
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

4018 S19W92   235  0030 Hsx  01   01 Alpha

4019 N04W78   221  0040 Cao  03   06 Beta

4020 N19W54   197  0020 Hax  01   01 Alpha

4021 S05W39   182  0120 Cso  05   06 Beta

4022 N05W52   195  0050 Cao  04   02 Beta

4023 N25W33   176  0010 Axx  01   01 Alpha

4025 N10W42   185  0180 Eai  11   10 Beta

4028 S17E03   140  0060 Dai  06   11 Beta-Gamma

4030 S17E13   130  0090 Hsx  02   01 Alpha

4031 N16W24   167  0100 Eai  12   11 Beta-Gamma

4033 N29E24   119  0010 Axx  01   01 Alpha

4034 S13E30   113  0010 Bxo  06   05 Beta

4035 N15E53   090  0020 Dro  03   05 Beta

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

Nmbr  Location  Lo

4026  S19W33   176

4029  S15W08   151

4032  N28W06   149

II. Regions Due to Return 19 Mar to 21 Mar

Nmbr Lat    Lo

4006 N18    047

4007 S11    042

4009 N12    022

4014 N17    017

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