[an error occurred while processing this directive] STEREO

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STEREO - Solar Terrestrial Relations Observatory
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Welcome to the STEREO Learning Center

Image artifacts

Not everything visible in STEREO images is related to the Sun or the solar atmosphere. Some features are caused by the telescope optics, the cameras used to capture the images, or how the STEREO spacecraft are operated. These features can be quite confusing, and require some explanation. Below we outline some of the common non-solar features which appear in the images.

Back to STEREO Images Page

Last Revised: Tuesday, 25-Nov-2025 11:58:33 EST
Responsible NASA Official: [email address: therese.a.kucera<at>nasa<dot>gov]
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