Observations Of Sky Brightness Spatial Variations

Michael J. Cantella

doi:10.1117/12.955079

27 December 1976 Observations Of Sky Brightness Spatial Variations

Michael J. Cantella

Proceedings Volume 0091, Methods for Atmospheric Radiometry; (1976) https://doi.org/10.1117/12.955079
Event: 20th Annual Technical Symposium, 1976, San Diego, United States

Abstract

Two dimensional spatial variations of the night sky in the visible spectrum have been observed at the focal plane of the 48-inch telescope at Cloudcroft, New Mexcio. A calibrated, slow-scan, intensified television type sensor was used with exposure periods of the order of one second. It is believed that these sky brightness variations are not readily observed with film because of temporal smoothing which accompanies the very long exposure periods needed to achieve comparable brightness threshold levels. In this paper, instrumentation and test data are described, and speculations are made on the origin of the sky brightness variations and on the impact on future systems.

Citation Download Citation

Michael J. Cantella "Observations Of Sky Brightness Spatial Variations", Proc. SPIE 0091, Methods for Atmospheric Radiometry, (27 December 1976); https://doi.org/10.1117/12.955079

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