STEREO - The Second Time Around...

  • Released Friday, January 5, 2024
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In mid-August 2023, the still-operational STEREO-A (STEREO-B went offline in October 2014) passed Earth for the first time since its launch 17 years ago. See also STEREO-A Returns by Earth.

While STEREO-B is no longer available, it is possible to construct stereo imagery of the Sun using STEREO-A with Solar Dynamics Observatory (SDO). Here we present a series of images for corresponding filters between the two missions which can be used for stereo viewing.

Color (SDO color table) Left/Right Image Pairs


In this section, we present frame-synchronized left eye (STEREO-A) and right eye (SDO) for the specified ultraviolet filter. They are provided as separate movie and frame-sets to maximize flexibility for the target viewing technology. Time stamps are provided as separate image files for compositing if desired. If you match frame numbers for the image sets for a specific filter, you will have images closest in time for apropriate left/right eye pairing.

171 Angstrom filter


Color image set for left eye (STEREO-A: 171 angstrom filter). Provided as separate images for easier customization to different display configurations. Matching frame numbers correspond to within 12 seconds. Separate timestamp files are included for custom compositing.

Color image set for right eye (SDO: 171 angstrom filter). Provided as separate images for easier customization to different display configurations. Matching frame numbers correspond to within 12 seconds.



193/195 Angstrom filter


Color image set for right eye (SDO: 193 angstrom filter). Provided as separate images for easier customization to different display configurations. Matching frame numbers correspond to within 12 seconds.

Color image set for left eye (STEREO-A: 195 angstrom filter). Provided as separate images for easier customization to different display configurations. Matching frame numbers correspond to within 12 seconds. Separate timestamp files are included for custom compositing.



304 Angstrom filter


Color image set for left eye (STEREO-A: 304 angstrom filter). Provided as separate images for easier customization to different display configurations. Matching frame numbers correspond to within 12 seconds. Separate timestamp files are included for custom compositing.

Color image set for right eye (SDO: 304 angstrom filter). Provided as separate images for easier customization to different display configurations. Matching frame numbers correspond to within 12 seconds.



Anaglyph image set still under development...


Image artifact issues


There are a few instrument issues in this run as it includes frames collected from calibration

  • The 193/195 filter set, for July 6, 2023 around 22:00 - 22:20 TAI (frames 2230-2250) exhibit some brightness changes due to AIA calibration testing.

  • The 304 filter set, for July 12, 2023 around 17:45 - 20:05 TAI (frames 1350-1370) exhibit some image shifts due to a calibration test for the EVE instrument.

    • Credits

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

    This page was originally published on Friday, January 5, 2024.
    This page was last updated on Wednesday, December 20, 2023 at 8:56 AM EST.

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    Datasets used

    Note: While we identify the data sets used on this page, we do not store any further details, nor the data sets themselves on our site.