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Clouds and circulation on Neptune: Implications of 1991 HST observations.

Limaye, Sanjay S.; Sromovsky, Lawrence A.; Fry, Patrick M.

Images of Neptune recorded by the Hubble Space Telescope (HST) Wide Fields/Planetary Camera in late 1991 provide a basis for the first significant comparison with the circulation results obtained from Voyager 2 observations 2 years earlier. The HST images using red (F675W) and methane band (F889N) filters contain isolated bright cloud features sui…

Imaging of Asteroid 4179 Toutatis with the Hubble Space Telescope

Weaver, H. A.; Noll, Keith S.; Storrs, A. D. +1 more

We obtained four images of the asteroid 4179 Toutatis during its close approach to the Earth on 10 December 1992 with the planetary camera of the Hubble Space Telescope. The distance between the Earth and Toutatis at the time of our observations was 0.0291 AU (4.35 × 10 ⁶ km); a single planetary camera pixel width subtends a distance of…