M4, NGC6121


About this image

M4, a globular cluster in the constellation Scorpius, is about 7000 light-years away from us, which makes it a good candidate for being our nearest globular cluster. M4 shows an unusual central bar structure, and would be much brighter if not for considerable intervening interstellar dust, which also accounts for its slightly brown-ish color. This picture was created from observations with the T2KA CCD camera at the Kitt Peak National Observatory's 0.9-meter telescope in March of 1995.

More: stars page, globular clusters page, messier page.

Minimum credit line: NOAO/AURA/NSF

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400 x 400 38 kb color JPEG (on this page)
1900 x 1900 584 kb color JPEG
1900 x 1900 3.5 Mb 8-bit color TIFF
1900 x 1900 10.5 Mb 24-bit color TIFF
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