Sunspot region AR 4525

Sunspot AR 4525 is a small, magnetically classified active region visible on the Sun. It contains 0 spots and covers 0 millionths of the solar hemisphere. This region has produced no significant flares. Current flare probabilities are C 0%, M 0% and X 0%. Its heliographic latitude is N11°, Earth-facing longitude 38° and Carrington longitude 213°.

Sunspot location on the solar map

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Selected map type: AIA 171 Å

Sunspot properties

Region number	4525
First observed	4 September 2026 at 08:18
Sunspot type
Magnetic class
Area	MSH
Spot count
Heliographic extent	degrees
Latitude	11°
Longitude	38°
Carrington longitude	213
Status	f

Flare activity

No flares detected.

Sunspot evolution

These graphs show how the region’s area and visible spot count changed over time.

Area

Area is measured in millionths of the solar hemisphere (MSH); growth can indicate increasing magnetic complexity.

Spot count

The spot count records the visible spots in the region at each observation.

Detailed history

Date	Area (MSH)	Spot count	Classification	flares	Location

Acknowledgments

We thank the teams behind the Solar Dynamics Observatory (SDO), including the HMI, AIA and EVE teams, for continuous solar monitoring.

We also thank National Aeronautics and Space Administration (NASA), Goddard Space Flight Center (GSFC), National Oceanic and Atmospheric Administration (NOAA) for supporting solar science and public data access.

Additional event data are provided by NASA’s DONKI (Database of Notifications, Knowledge, Information), with records of flares, CMEs and geomagnetic storms.

Observation Settings