SDO/AIA 211 Ångstrom Solar Imagery Data

The Atmospheric Imaging Assembly (AIA) onboard the Solar Dynamics Observatory (SDO) captures images of the Sun's atmosphere at a resolution of 4k x 4k pixels. It provides essentially uninterrupted viewing for months at a temporal cadence of 12 seconds in seven extreme UV band passes, including the 211 Å channel which observes the Fe XIV line from active region corona. This Level 1 FITS data is produced by NASA.

Use Cases

• Analyze active region corona evolution based on Fe XIV line observations at 211 Å
• Model solar magnetic environment interactions based on high cadence (12 seconds) and high resolution (4k x 4k) imagery
• Develop forecasting models for coronal disturbances based on continuous, multi-bandpass monitoring
• Train image segmentation models for solar features based on high signal-to-noise ratio and dynamic range

Strengths

• Images have a high signal-to-noise ratio reaching 100 in quiescent conditions
• Provides full thermal coverage of the corona with a pixel size of 0.6 arcseconds
• Temporal cadence of 12 seconds for seven EUV channels enables detailed time-series analysis

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

Freshness

Last updated 2026-03-13 04:57:44.172540; freshness should be verified