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Simple Sewing Needle Sun Spectroscope

At the Pine Mountain Observatory Teacherís workshop this summer I am having each teacher make their own sewing needle spectroscope to observer the absorption lines in the Sun. The simple sewing needle Sun spectroscope takes less than three minutes to make and it eaisly shows the Fraunhofer absorption lines for F, b4-1, E, D3-1 and C.

The below Sewing Needle Sun Spectroscopes are made with two different type of sewing needles. The Dritz 56D sewing needle is larger diameter and has more scratches. The Dritz 6834 sewing needle is smaller diameter and is more smoother but it bends very easy.


Making the Sewing Needle Sun Spectroscope

Simple Sewing Needle Spectroscope
Simple Sewing Needle Spectroscope


Using the Dritz 56D Sewing Needle Sun Spectroscope

Simple Sewing Needle Spectroscope
Simple Sewing Needle Spectroscope


Using the Dritz 6834 Sewing Needle Sun Spectroscope

Simple Sewing Needle Spectroscope
Simple Sewing Needle Spectroscope Fraunhofer lines


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