AR 12938 - Slow Building Active Region on Left Limb

  • Released Friday, August 19, 2022
  • Updated Wednesday, December 21, 2022 at 1:42PM
  • ID: 4966

The slow build-up of a solar active region, as seen in AIA 171 Angstrom filter. Correction is applied for the instrument Point-Spread Function (PSF).

Solar Dynamics Observatory (SDO) operates in a geosynchronous orbit around Earth to obtain a continuous view of the Sun. The particular instrument in this visualization records imagery in the ultraviolet portion of the spectrum at wavelengths normally absorbed by Earth's atmosphere - so we need to observe them from space.

This image sequence follows the slow build of loops over an active region (left edge of the solar limb). The moon briefly passes between the Sun and SDO (starting around 07:07TAI to 07:51TAI).

The slow build-up of a solar active region, as seen in AIA 171 Angstrom filter. No correction is applied for the instrument Point-Spread Function (PSF).

Time-stamp slates for these frames.

Time-stamp slates for these frames.

Credits

Please give credit for this item to:
NASA's Scientific Visualization Studio

Missions

This visualization is related to the following missions:

Datasets used in this visualization

SDO AIA 171 (A.K.A. 171 Filter) (Collected with the AIA sensor)
JOINT SCIENCE OPERATIONS CENTER

Dataset can be found at: http://jsoc.stanford.edu/

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