Sunspot region AR 4502

Sunspot AR 4502 is a moderate-sized, magnetically basic active region visible on the Sun. It contains 6 spots and covers 60 millionths of the solar hemisphere. This region has produced no significant flares. Current flare probabilities are C 30%, M 5% and X 1%. Its heliographic latitude is S7°, Earth-facing longitude -24° and Carrington longitude 351°.

Sunspot location on the solar map

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Selected map type: AIA 171 Å

Sunspot properties

Region number	4502
First observed	1 August 2026 at 07:13
Sunspot type	Dao
Magnetic class	B
Area	60 MSH
Spot count	6
Heliographic extent	7 degrees
Latitude	-7°
Longitude	-24°
Carrington longitude	351
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
2026-08-04	60	6	Dao	-	S07W24
2026-08-03	120	11	Dao	-	S06W10
2026-08-02	20	5	Cro	-	S06E03
2026-08-01	10	2	Bxo	-	S06E17

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), the Goddard Space Flight Center (GSFC), and the 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