The photo was taken on September 25, 2018, not long before the space telescope turned off forever.
What’s it showing? The image displays the space around the constellation Aquarius in the sky. There are a few squares missing in the last image because some parts of Kelper’s camera had failed near the end of its life. The satellite was retired on October 30, 2018, to orbit around the sun forever.
Quite a view: The telescope’s final field of view overlapped a bit with that of its exoplanet-hunting successor, the Transiting Exoplanet Survey Satellite (TESS), which will allow for a comparison of the data from the two devices.
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