SDO/AIA 335 Å: Solar Corona Imagery at 2.5 Million Kelvin

SDO/AIA 335 Å Level 1 FITS Data captures images of the Sun's corona in the 335 Angstrom wavelength, observing the Fe xvi line from active regions at approximately 2.5 million Kelvin. The Atmospheric Imaging Assembly (AIA) onboard NASA's Solar Dynamics Observatory provides full-disk 4k x 4k resolution images with a pixel size of 0.6 arcseconds. Data collection occurs at a temporal cadence of 12 seconds for EUV channels, offering essentially uninterrupted viewing for months.

Use Cases

• Analyze the evolution of magnetic structures in the solar atmosphere based on high-resolution coronal imaging.
• Model and predict coronal disturbances and space weather events based on high-cadence time-series observations.
• Study thermal properties of the solar corona based on full thermal coverage across multiple bandpass channels.
• Train computer vision models for solar feature detection based on 4k x 4k resolution imagery.

Strengths

• High spatial resolution with 4k x 4k full-disk images and a pixel size of 0.6 arcseconds.
• High temporal cadence of 12 seconds for EUV channels, enabling continuous observation.
• High signal-to-noise ratio reaching 100 in quiescent conditions and a dynamic range of up to 10,000.

Limitations

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

Provenance

Source

National Aeronautics and Space Administration (NASA)

Collection Method

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

Time Range

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Freshness

Last updated 2026-03-13 11:42:10.808088; freshness should be verified.

Geography

Imagery of the entire Sun (full-disk).