A piece of M31

[M31 (bit)]

About this image

Part of the Andromeda Galaxy, M31, seen through a narrow filter near, but not at, the H-alpha emission line of ionized hydrogen.

More: galaxies page, spiral galaxies page, messier page, WIYN galaxies page, WIYN spiral galaxies page, WIYN messier page.

Minimum credit line: Jay Gallagher (U. Wisconsin)/WIYN/NOAO/NSF

Downloadable versions:
401 x 400 32 kb B&W JPEG (on this page)
1025 x 1024 208 kb B&W JPEG
2043 x 2042 720 kb B&W JPEG
2043 x 2042 4.1 Mb B&W TIFF
(see NOAO Conditions of Use)

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