%PDF-1.5 �dV����l��~{�6?�WŦ=l��^�:>�K�6'�]}ܑӟ�zs��d�� �84 ��ܳy�wN�`0;ˌqB��8#yVq�5���R����s*�/L=z _Y�L������I� xmlns:xsl='http://www.w3.org/1999/XSL/Transform'">. ��E.1�x'^gh��� �3_62�a�|���%=�J��?�uWE�3��4L��n�)�G��=�ߟ��G���0v��T�(���8��NbP������`;q endobj <> This Instructable describe the planning, design, and par… Build A Mega Homemade Telescope – PART ONE. It will also work with existing Go To mounts, replacing the controller with a modern, sleek, touch screen, feature- and information-rich device! 3 0 obj The author’s rDUINOScope Boiana. Galilean DIY Telescope. 3. <> NASA - National Aeronautics and Space Administration, Excerpt from the Optics: Light, Color and Their Uses Guide, Follow this link to skip to the main content, http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/Optics.Guide.html. From beginner project videos to something huge haha. Scientists Want to Build a Giant Moon Telescope to See Into the Deep Past. Homemade 12.5 Inch Dobsonian Telescope: How to build a 12.5 inch closed tube Dobsonian telescope. I had found out that putting a magnifying and minimizing glass together gave the sort of effect that you have in telescopes. 1. To build the Dobsonian telescope, you need to construct a simple optical tube with baffles. <>>> <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 595.32 842.04] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> ����ۗ�����=��t|�����@��^^\��2r�pyAI�()r�%,��>]^���~y�uC��ۿ]^�kq�]Te�:��nH@T�LrRT�s)I~�����/�M>�tCr紓 To make a simple telescope at home, you will need the following: two magnifying glasses - perhaps 1 - 1.5 inches (2.5-3 cm) diameter (it works best if one is larger than the other) a cardboard tube - paper towel roll or gift-wrapping paper roll (it helps if it is long) duct tape; It's simple and easy to make AND use. Baffles are octagonal wood pieces that are placed within the tube which lend it support and help direct the light through the various mirrors and lenses of the tube. e�����`��+J7��LF��>HIUf��7����pMR���a�~e?YӬL�Q�u�������ͩA�{4v�꽧m r���[Zh���w%�0���_�����G��4��~�?G��_���M��+٧*�ï���u�j��a\%�]T�s�n�!�L�#j���K~% ��!��@ٓC���I������ѕ�L%�x���w��lzh�ޠ_�:���Ñ6J�H�0���$,����6G�l���� �����FP�����rC�����,��i{U��[�[�"�:�2�o@��p�y �.EG8�Xi�l ����0ԨW,�tG�)*�`���@��6 ��r��@ʹtEth���s-��y�EK(�=}o��=};_���hųJ����~�c�rC��!8�|��h�M{l�������������A���v�|�K�+��DE3��$\& YfҞZ;���c0B�i�A��#��c�.|����^�[᥎8�p��c%�3����_(�c96^��*��T-�V� i�&��M�c�m���T`H��X!�+�v"�+�F�V��]�K�,�Ȫ4%�PphV�M4��0H�X@�ԧ>����X��v�L How?I sat down and l… endobj ����U��m��N�B����^��oh \����8�z��H�(�0L�&��)R`*��Ÿ+��pxXGQdt�A�Kf��:�ؗ�����|^��Y��i!3�*@r��v�$!o��ew�^X�K�����(�g�|�U�D/ZgE�֑�LL:؈���]��ܐ^ To compute the power or magnification (M) of your telescope, you will use the focal lengths computed in the experiment named, "Focusing Light With a Lens," page 49 in the Educator Guide: Optics - Light, Color and their Uses.Insert the number for each previously computed focal length into the following equation: Students construct simple refracting telescopes and calculate the magnifications. Build this telescope and leave it set up in your backyard so viewing the solar system will be as easy as walking out your back door. You can make one from scrap through the use of the items you already have at home or simply buy a telescope … Your browser or your browser's settings are not supported. Once we have dealt with the astronomical telescope we shall describe the theory and practice of building a TERRESTRIAL telescope – a telescope … * To build an even bigger telescope, read The Dobsonian Telescope: A Practical Manual for Building Large Aperture Telescopes, by David Kriege and Richard Berry. 2 0 obj javascript is enabled. %���� So what was the result? Build this telescope and leave it set up in your backyard so viewing the solar system will be as easy as walking out your back door. To get the best experience possible, please download a compatible browser. 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