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The planned pictures of Pluto were taken pretty much as they were setup in the final plan. Two pictures of Pluto were taken by the Faint Object Camera (FOC). Here's some information about the pictures.
------------------------------------------------------ Image ID Filter UT Date/Time at start Exposure ------------------------------------------------------ X34U0101T F410M 1996 Mar 04 07:07:02 896 sec X34U0102T F278M 1996 Mar 04 07:29:16 896 sec ------------------------------------------------------The first column is the identification number automatically assigned by the Space Telescope Science Institute (STScI) to uniquely refer to each image taken by HST.
The second column is the filter used. F410M means a medium (M) width filter centered at 410 nano-meters (or 4100 Angstroms) wavelength. F410M corresponds to what we'd see as blue light. F278M is a filter at 278nm (2780 Angstroms) and is in ultra-violet light which is invisible to our eyes. In fact, this wavelength never even makes it through our own atmosphere. The only way to take a picture like this one is to do it from space.
The third column is the Universal Time (UT) at which the camera shutter was first opened. The last column is how long the shutter was held open to collect the picture. These two pictures each took almost 15 minutes to collect.
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