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Measuring Double Stars

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Posted by Bill Geertsen/">Bill Geertsen on December 18, 1998 21:39:17 UTC

Please read the article in the February Sky & Telescope by Ron Tanguay about measurement using the Celestron Microguide eyepiece.

Another method which is somewhat simpler is the "Chronometric" or "Transit" method of measurement. It involves using a Position Angle Dial (easily built) as do all micrometers, and a simple stopwatch. A pocket calculator is used to do the simple math, or spreadsheets which are available.

Please contact Ron Tanguay at the address in S & T or me for more information. This is an area in which amateur astronomers can make real contributions to science with simple equipment.

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