Compass Image for Comet C/2017 K2
15.82AU at the time of observation
The image is about 40 arcseconds across, about 16.3 million miles (26.3 million kilometers) at the distance of the comet.
Data were provided by the HST proposals 14939 (D. Jewett, P.I.).
These images represent several exposures acquired by the WFC3/UVIS instrument through the F350LP filter on the Hubble Space Telescope. Color has been applied to the grayscale (black&white) images; the brightness maps to different color values.