Online Astronomy eText: The Sky
The Milky Way Over Mount Whitney

     A 360-degree digitally stitched panoramic view of the Milky Way over Mount Whitney, around 18 hours Local Sidereal Time. In the center of the image, the Milky Way arches upward from Scorpius and Sagittarius, to the left (northward) through the Summer Triangle, then downward through Cassiopeia, on the far left. Jupiter is the bright object below the right (southern) side of the Milky Way, while the Andromeda Galaxy (M31) can be seen below the left (northern) side.
     The purpose of this panorama, and a number of similar ones taken at other national parks by the National Park Service, is to show the substantial degradation of the night sky at even the remotest of locations by light pollution. On the far right (western) side of the image, the sky is lit up by Fresno (85 miles away), while the area below the southern (right-hand) end of the Milky Way is brightly lit by Los Angeles (180 miles away).
     (D. Duriscoe, C. Duriscoe, R. Pilewski, & L. Pilewski, U.S. NPS Night Sky Program, apod090827)

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