Webb Space Telescope's Glorious First Images: Fine Guidance Sensor Provides a Preview - SciTechDaily

We are just five days away from the July 12th release of the first full-color images from NASA’s James Webb Space Telescope, but how does the observatory find and lock onto its targets? Webb’s Fine Guidance Sensor (FGS) was designed with this particular quest…

This Fine Guidance Sensor test image was acquired in parallel with NIRCam imaging of the star HD147980 over a period of eight days at the beginning of May 2022. This engineering image represents a to… [+5276 chars]

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