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THE NIGHT SKY CONDITIONS AT THE SACRAMENTO PEAK OBSERVATORY I. SKY BRIGHTNESS

TIMOTHY J. SCHNEEBERGER, SIMON P. WORDEN and JACQUES M. BECKERS
Publications of the Astronomical Society of the Pacific
Vol. 91, No. 542 (August 1979), pp. 530-532
Stable URL: http://www.jstor.org/stable/40677372
Page Count: 3
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
THE NIGHT SKY CONDITIONS AT THE SACRAMENTO PEAK OBSERVATORY I. SKY BRIGHTNESS
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Abstract

The night sky brightness at Sacramento Peak Observatory has been monitored over a period of nine months. The average zenith sky brightness is 21.9 ± 0.1 mv arc sec⁻². The night sky brightness shows fluctuations of up to 25% during this period. The long record of daytime sky-brightness observations shows a strong seasonal effect with brightest skies occurring in the early summer months. This seasonal effect is marginally present in the night sky brightness results. Light pollution from the closest urban areas is also detailed.

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