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eJAAVSO

Exposure Nomographs

pdf

Ronald E. Zissell

Department of Astronomy

Mt. Holyoke College

South Hadley, MA 01075

 

Presented at the 84th AAVSO Spring Meeting, May 13, 1995

 

Abstract

 

Correct exposure times may be determined from nomographs relating signal-to-noise ratio, exposure time, color, seeing, and magnitude. The equations needed to construct the nomographs are developed. Calibration techniques are discussed.

 

Link to ADS abstract, article and citation information

 
 
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