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Jupiter Moon Transit, January 24, 2015 (07:10 UT) – Annotated

Jupiter Moon Transit, January 24, 2015 (07:10 UT) – Annotated
Three moons and their shadows parade across Jupiter near the end of the event at 07:10 UT on January 24, 2015. Europa has entered the frame at lower left. Slower-moving Callisto is above and to the right of Europa. Fastest-moving Io is approaching the eastern limb of the planet. Europa's shadow is toward the left side of the image and Callisto's shadow to the right. (The moons' orbital velocities are proportionally slower with increasing distance from the planet.)

About the Object

  • Dimensions
    DimensionsThe physical size of the object or the apparent angle it subtends on the sky.
    Jupiter has a diameter of roughly 88,789 miles (142,984 km) at the equator.

About the Data

  • Data Description
    Data DescriptionProposal: A description of the observations, their scientific justification, and the links to the data available in the science archive.
    Science Team: The astronomers who planned the observations and analyzed the data. "PI" refers to the Principal Investigator.
    The image was created from Hubble data from the following proposal: 14042 PI: Z. Levay (STScI), K. Noll (NASA/GSFC), M. Mutchler, J. Mack, L. Frattare, C. Christian, M. Livio, and S. Meyett (Hubble Heritage Team, STScI/AURA), A. Roman (STScI), A. Simon (NASA/GSFC), M.H. Wong (University of California, Berkeley), and R. Landis (NASA/JSC).
  • Instrument
    InstrumentThe science instrument used to produce the data.
    HST>WFC3/UVIS
  • Exposure Dates
    Exposure DatesThe date(s) that the telescope made its observations and the total exposure time.
    January 24, 2015 (07:10 UT)
  • Filters
    FiltersThe camera filters that were used in the science observations.
    395 nm, 502 nm, and 631 nm
  • Object Name
    Object NameA name or catalog number that astronomers use to identify an astronomical object.
    Jupiter
  • Object Description
    Object DescriptionThe type of astronomical object.
    Planet
  • Release Date
    February 5, 2015
  • Science Release
    Hubble Captures Rare Triple-Moon Conjunction
  • Credits
    NASA, ESA, and the Hubble Heritage Team (STScI/AURA)

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Jupiter Moon Transit, January 24, 2015 (07:10 UT) – Annotated
Color Info
Color InfoA brief description of the methods used to convert telescope data into the color image being presented.

These images are composites of separate exposures acquired by the WFC3 instrument on the Hubble Space Telescope. Several filters were used to sample narrow wavelength ranges. 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: Blue: F395N (395 nm) Green: F502N (502 nm) Red: F631N (631 nm)

Compass and Scale
Compass and ScaleAn astronomical image with a scale that shows how large an object is on the sky, a compass that shows how the object is oriented on the sky, and the filters with which the image was made.

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Details

Last Updated
Feb 17, 2025
Contact
Media

Claire Andreoli
NASA’s Goddard Space Flight Center
Greenbelt, MD
claire.andreoli@nasa.gov