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News Release Archive:

News Release 54 of 948

July 25, 2013 12:00 PM (EDT)

News Release Number: STScI-2013-31

Galaxies, Comets, and Stars! Oh My!

Technical facts about this news release:

About the Object
Object Name: Comet C/2012 S1 (ISON)
Object Description: Comet
Distance: At the time of the Hubble observations on April 30, 2013, the comet was 3.9 astronomical units (363 million miles) from the Sun. The comet was 4.32 astronomical units (402 million miles) from Earth.
About the Data
Data Description: The image was created from Hubble data from proposal 13229 by the Hubble Heritage Team, PI: Z. Levay, M. Mutchler, C. Christian, L. Frattare, W. Januszewski, M. Livio, J. Mack, and J. Sokol (STScI/AURA), and K. Noll (NASA/GSFC). High-level science products for these data are available from the MAST archive.
Instrument: WFC3/UVIS
Filters: F606W (V) and F814W (I)
About the Release
Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA)
Release Date: July 25, 2013
Color: This image is a composite of separate exposures acquired by the WFC3/UVIS instrument. Several filters were used to sample various wavelengths. The color results from assigning different hues (colors) to each monochromatic (grayscale) image associated with an individual filter. In this case, the assigned colors are:
F606W (V) (of comet) grayscale
F606W (V) cyan/blue
F814W (I) red/orange
Orientation/Scale: Compass and Scale Image for Comet ISON