SDO/AIA: Solar Dynamics Observatory 131 Ångstrom FITS Images

SDO/AIA 131 Å Level 1 FITS Data captures images of the Sun's atmosphere in the 131 Ångstrom channel, observing 10 MK and 16 MK flaring plasma. The Atmospheric Imaging Assembly (AIA) onboard NASA's Solar Dynamics Observatory provides full-disk solar images at 4k x 4k resolution with a pixel size of 0.6 arcseconds. AIA operates at cadences of 12 seconds for EUV channels and 24 seconds for UV channels, offering essentially uninterrupted viewing for months.

Use Cases

• Analyze the evolution of magnetic fields in the solar corona based on high-resolution EUV imagery.
• Study flaring plasma dynamics based on observations of Fe xx and Fe xxiii lines.
• Monitor coronal disturbances for space weather forecasting based on continuous temporal cadence.
• Develop machine learning models for solar event detection based on high signal-to-noise ratio imagery.

Strengths

• Images have a high signal-to-noise ratio reaching 100 in quiescent conditions.
• Provides full-disk solar views at 4k x 4k resolution with a pixel size of 0.6 arcseconds.
• Operates at a temporal cadence of 12 seconds for EUV channels, offering near-continuous observation.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Captured by the Atmospheric Imaging Assembly (AIA) instrument onboard the Solar Dynamics Observatory.

Freshness

Last updated 2026-03-13 04:58:32.548156; freshness should be verified.