Compass and Scale Image of Stephan's Quintet
Stephan's Quintet, HCG 92
Stephan's Quintet is 290 million light-years (90 million parsecs) away. The foreground, superposed NGC 7320 is 40 million light-years (12 million parsecs) away.
This image is 4 arcminutes (345,000 light-years or 106,000 parsecs) wide.
The Hubble images were created from data from proposal 11502: K. Noll and M. Livio (STScI), D. Leckrone and M. Niedner (NASA/GSFC), and Z. Levay and M. Mutchler (STScI).
Acknowledgments for Stephan's Quintet
Observers: K. Noll and M. Livio (STScI), D. Leckrone and M. Niedner (NASA/GSFC), and Z. Levay and M. Mutchler (STScI)
Data Analysis: H. Bushouse, J. Anderson, and M. Mutchler (STScI)
Image Composition: Z. Levay and L. Frattare (STScI)
Text: D. Weaver and R. Villard (STScI)
Illustrations: Z. Levay (STScI)
Video: G. Bacon (STScI)
Science Consultants: M. Livio and B. Whitmore (STScI)
WFC3/IR: F140W (JH)
WFC3/UVIS: F438W (B), F606W (V), F657N (H-alpha + [N II]), F665N (H-alpha + [N II]), and F814W (I)
The image is a composite of separate exposures made by the WFC3 instrument on the Hubble Space Telescope. Six filters were used to sample broad and narrow wavelength ranges. The color results from assigning different hues (colors) to each monochromatic image. In this case, the assigned colors are:
Blue: F438W (B)
Green: F606W (V)
Red: F140W (JH) + F657N (H-alpha + [N II]) + F665N (H-alpha + [N II]) + F814W (I)