A behind the scenes look at the recent press release on finding asteroid trails in #Hubble's back catalog of images.
The first image is uncalibrated. Most of the dots and streaks are from cosmic rays, high-energy particles from space, hitting the detector. The long streaks running across the middle top of the image are from the asteroid.
The post explains the choices Visuals Developer Joe DePasquale made to get to the second full-color image that ran with the release.
