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WIYN image of a southern section of M101, made from a combination of red (R) and almost-infrared (I) bands, displayed using false color.
Credit: Mike Pierce, John Jurcevic (Indiana)/WIYN/NOAO/NSF

Gorgeous image of the giant Pinwheel Galaxy, M101, in Ursa Major. This spiral galaxy, of type Sc, is probably quite similar to our own Milky Way Galaxy. It is seen almost face-on, showing the spiral arms and the intervening dust lanes (dark filaments) with great clarity in this 1975 image from the Kitt Peak 4-meter Mayall telescope.
Credit: AURA/NOAO/NSF

The spiral galaxy M101 imaged by the NOAO Mosaic camera at the Kitt Peak Mayall 4-meter telescope by George Jacoby. The camera contains eight CCD imagers for a total of 8192 pixels square.
Credit: AURA/NOAO/NSF

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Face-on spiral galaxy M101 was imaged by Dr George Jacoby at the Kitt Peak National Observatory's 0.9-meter telescope, using the new wide-field imaging system Mosaic. This instrument combines the pictures from eight separate CCD chips, carefully mounted next to each other for a total of 8192 pixels square, and can thus image a large area without sacrificing resolution.
Credit: George Jacoby, Bruce Bohannan, Mark Hanna/AURA/NOAO/NSF

Last Modification: April 18, 2001