Printable Version of Topic

Posted by: dtolman Feb 11 2020, 04:58 PM

https://www.esa.int/Science_Exploration/Space_Science/Cheops/A_perfect_blur_First_image_by_exoplanet_watcher_Cheops - and not only is it working properly - https://www.space.com/cheops-exoplanet-hunting-satellite-first-photos.html.

FYI - in case anyone is wondering... it has deliberately defocused stars in order to distribute the light from each star over many pixels. This makes the measurements of starlight more precise, as they are much less sensitive to small differences in the response of individual pixels in the CCD and to variations in the telescope pointing.