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News Release Archive:

News Release 10 of 37

August 31, 2006 01:00 PM (EDT)

News Release Number: STScI-2006-42

Hubble Captures a Rare Eclipse on Uranus

Technical facts about this news release:

About the Object
Object Name: Uranus
Object Description: Planet
Distance: The semi-major axis of Uranus's orbit about the sun is 19.18 Astronomical Units (A.U.) or roughly 2.9 billion km.
Dimensions: Uranus (without rings) has a diameter of roughly 32,000 miles (51,000 km) at the equator.
About the Data
Data Description: This image was created from HST data from the following proposal 10805: PI: L. Sromovsky (University of Wisconsin, Madison), H. Hammel (Space Science Institute), and K. Rages (SETI Institute).
Instrument: ACS/WFC
Exposure Date(s): July 26, 2006
Filters: FR782N at 750nm, 770 nm, and 790 nm
About the Image
Image Credit: NASA, ESA, and L. Sromovsky (University of Wisconsin, Madison)
Release Date: August 31, 2006
Colors This image is a composite of many separate exposures made by the ACS instrument on the Hubble Space Telescope. A single ramp filter was used to sample several wavelength ranges. The color results from assigning different hues (colors) to each monochromatic image. In this case, the assigned colors are:
FR782N @750 nm blue
FR782N @770 nm green
FR782N @790 nm red
Orientation/Scale: Uranus and Ariel - 2006 - Annotated