![M31 mosaic, inset in ground-based image to show what part of the galaxy Hubble has imaged.](https://science.nasa.gov/wp-content/uploads/2023/04/m31-mosaic-with-groundbased-image-jpg.webp?w=4096&format=png)
M31-mosaic-with-groundbased-image
Hubble’s M31 mosaic image, taken by the Panchromatic Hubble Andromeda Treasury (PHAT) program, is shown in context with a ground-based image of the entire galaxy. Despite the size of Hubble’s massive mosaic, it does not span even half of the galaxy.
Credits: NASA, ESA and Z. Levay (STScI/AURA); PHAT Mosaic: NASA, ESA, J. Dalcanton, B.F. Williams, L.C. Johnson (University of Washington), the PHAT team and R. Gendler; Ground-based Background Image of M31 (c) 2008 R. Gendler, used with permission
Image CreditNASA, ESA and Z. Levay (STScI/AURA); PHAT Mosaic: NASA, ESA, J. Dalcanton, B.F. Williams, L.C. Johnson (University of Washington), the PHAT team and R. Gendler; Ground-based Background Image of M31 (c) 2008 R. Gendler, used with permission
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