_:n8f3fa719fba74cbfa872333b2c002547xb0
<http://schema.org/description>
"As Deep Impact approached for its encounter with Hartley 2 during September and October 2010, the science team released occasional optical navigation images of the comet against a background starfield. The images have been processed after release to make their brightness and contrast more uniform from frame to frame."
<https://www.planetary.org/space-images/deep-impact-hartley-2-approach-animation-1>