:Product: Solar Region Summary

:Issued: 2026 Jun 04 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 155 Issued at 0030Z on 04 Jun 2026
Report compiled from data received at SWO on 03 Jun

I.  Regions with Sunspots.  Locations Valid at 03/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4446 S14W74   142  0130 Cso  05   04 Beta

4455 N14W21   088  0360 Dki  08   17 Beta-Gamma-Delta

4457 S08W55   123  0010 Bxo  04   03 Beta

4458 S05W08   076  0100 Dai  07   12 Beta

4459 N14E36   032  0120 Dai  08   09 Beta-Gamma

4460 S22W74   142  0090 Dso  08   06 Beta

4461 S21E59   008  0050 Cai  04   04 Beta-Gamma

4462 N17E60   007  0060 Dao  06   06 Beta

IA. H-alpha Plages without Spots.  Locations Valid at 03/2400Z Jun

Nmbr  Location  Lo

4448  S05W71   138

4449  S08W70   137

4450  N10W76   143

4451  S17W57   124

4454  S15W35   102

4456  N14E01   067

II. Regions Due to Return 04 Jun to 06 Jun

Nmbr Lat    Lo

4441 N09    302

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