News Release Archive:

News Release 117 of 1051

March 27, 2014 10:00 AM (EDT)

News Release Number: STScI-2014-19

Hubble Sees Mars-Bound Comet Sprout Multiple Jets

Technical facts about this news release:

About the Object
Object Name: C/2013 A1 Siding Spring
Object Description: Comet
Distance: At the time of the Hubble observation on March 11, 2014, the comet was 3.28 astronomical units (305 million miles) from the Sun. The comet was 3.79 astronomical units (353 million miles) from Earth.
About the Data
Data Description: The image was created from Hubble data from proposal 13610: J.-Y. Li (Planetary Science Institute), M. Kelley (University of Maryland), N. Samarasinha (Planetary Science Institute), C. Lisse (JHU/APL), T. Farnham and M. A'Hearn (University of Maryland), W. Delamere (Delamere Support Services), and M. Mutchler (STScI).
Instrument: WFC3/UVIS
Exposure Date(s): Oct. 29, 2013; Jan. 21, 2014; and March 11, 2014
Filters: F606W (V)
About the Release
Credit: NASA, ESA, and J.-Y. Li (Planetary Science Institute)
Release Date: March 27, 2014
Color: This image was originally black and white and recorded only overall brightness. These brightness values were translated into a range of bluish hues. Such color "maps" can be useful in helping to distinguish subtly varying brightness in an image.
Orientation/Scale: Compass and Scale Image for Comet C/2013 A1 Siding Spring (3 Epochs)