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HST

The Hubble Space Telescope (HST) provides opportunities from 0.1 to 1 to attain resolution not possible since the Voyager encounter. The Wide Field camera has a scale of 0.08/pixel whereas the Planetary Camera has a scale of 0.04/pixel. Kenneth Seidelmann of the US Naval Observatory took 32 exposures of Uranus on August 14, 1994. Although most intentionally saturated Uranus to observe the satellite and ring systems, there were three images (figure 2) taken with a broadband filter centered at 0.8006 that shows evidence of high altitude hazes and clouds. Since there are no planned HST observations during the time of my prime observations, the best bet for high resolution red images is to acquire this data from the HST archive when it becomes available. While the high resolution of these images makes them useful for spotting feature, HST does not have the sensitivity to observe the stronger methane bands in the near-IR.



Charles Walter
Thu May 18 17:57:23 MDT 1995