{"id":728,"date":"2015-04-08T10:19:49","date_gmt":"2015-04-08T08:19:49","guid":{"rendered":"https:\/\/www.primalucelab.com\/astronomy\/blog\/?p=728"},"modified":"2021-08-31T14:44:52","modified_gmt":"2021-08-31T12:44:52","slug":"osservatorio-nel-giardino-di-casa-a-backyard-observatory","status":"publish","type":"post","link":"https:\/\/www.primalucelab.com\/blog\/osservatorio-nel-giardino-di-casa-a-backyard-observatory\/","title":{"rendered":"A Backyard Observatory"},"content":{"rendered":"<p class=\"p1\" style=\"text-align: justify;\">One of the higher\u00a0ambitions of many amateur astronomers is to have a backyard\u00a0observatory. Who has available a sky with not too high light pollution in fact would like to have his telescope\u00a0already installed and ready to use, without the need to assemble all the components each time to observe or photograph the sky. Having a fixed instrument\u00a0also means that it&#8217;s no longer necessary to perform\u00a0the mount alignments \u00a0(North Star and and star alignments) each time being then immediately operational.<\/p>\n<p class=\"p1\"><!--more--><\/p>\n<p class=\"p1\">Then many begin to study how to buy or build a backyard\u00a0observatory\u00a0and, many times, they stop because of the considerable costs for the structure (that can be a dome or a small sliding roof house) and the concrete base which is necessary to build.<\/p>\n<p class=\"p1\">In this article we present a solution to achieve a backyard\u00a0observatory\u00a0in a simple and easy way: the idea, based on\u00a0the request of one of our customers for who we have made the project of this simple backyard\u00a0observatory\u00a0shown in the following pictures, is to maintain fixed on the field only the mount\u00a0with the pier\u00a0while the optical tube is installed\u00a0only when the user wants to use the telescope. This allows us to realize a covering\u00a0structure much cheaper\u00a0because it&#8217;s only used to cover the mount. Also, the concrete base is much smaller, and this let us\u00a0less costs. Let&#8217;s see how we proceeded.<\/p>\n<p class=\"p1\">The initial situation is the one\u00a0of the typical backyard, located in a residential suburban sky with low light pollution. First of all we performed\u00a0a squared excavation, 1.5 meters side and 80 cm deep.<\/p>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_812\" aria-describedby=\"caption-attachment-812\" style=\"width: 625px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-812 size-large\" src=\"https:\/\/www.primalucelab.com\/wp\/astronomia\/wp-content\/uploads\/sites\/3\/2015\/04\/osservatorio_nel_giardino_di_casa_1-650x462.jpg\" alt=\"A Backyard Observatory: starting situation (left) and excavation (right)\" width=\"625\" height=\"444\" \/><figcaption id=\"caption-attachment-812\" class=\"wp-caption-text\">A Backyard Observatory: starting situation (left) and excavation (right)<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p class=\"p1\">So, to give the necessary stability to the foundation, it has been realized a base layer with gravel and metal armature. On top of this, we installed a cylindrical concrete tube that will maintain\u00a0the real foundations of the structure.<\/p>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_813\" aria-describedby=\"caption-attachment-813\" style=\"width: 625px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-813 size-large\" src=\"https:\/\/www.primalucelab.com\/wp\/astronomia\/wp-content\/uploads\/sites\/3\/2015\/04\/osservatorio_nel_giardino_di_casa_2-650x432.jpg\" alt=\"A Backyard Observatory: gravel base with armor\" width=\"625\" height=\"415\" \/><figcaption id=\"caption-attachment-813\" class=\"wp-caption-text\">A Backyard Observatory: gravel base with armor<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p>The inner part inside the cylindrical tube was then filled with concrete and the outer part was filled and leveled with the ground.<\/p>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_814\" aria-describedby=\"caption-attachment-814\" style=\"width: 625px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-814 size-large\" src=\"https:\/\/www.primalucelab.com\/wp\/astronomia\/wp-content\/uploads\/sites\/3\/2015\/04\/osservatorio_nel_giardino_di_casa_3-650x432.jpg\" alt=\"A Backyard Observatory: cylindrical tube filled with concrete\" width=\"625\" height=\"415\" \/><figcaption id=\"caption-attachment-814\" class=\"wp-caption-text\">A Backyard Observatory: cylindrical tube filled with concrete<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_815\" aria-describedby=\"caption-attachment-815\" style=\"width: 625px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-815 size-large\" src=\"https:\/\/www.primalucelab.com\/wp\/astronomia\/wp-content\/uploads\/sites\/3\/2015\/04\/osservatorio_nel_giardino_di_casa_4-650x432.jpg\" alt=\"A Backyard Observatory: foundations made\" width=\"625\" height=\"415\" \/><figcaption id=\"caption-attachment-815\" class=\"wp-caption-text\">A Backyard Observatory: foundations made<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p class=\"p1\">Once the concrete base is done, it&#8217;s\u00a0good practice to wait at least 3 (sunny) days before proceeding with the installation of the telescope since, in order\u00a0to fix the pier,\u00a0it&#8217;s necessary to drill the concrete base\u00a0and install the anchors: the concrete base must therefore be perfectly dry! We then checked the alignment of the pier\u00a0to the North, mark the correct positions, we performed the holes in the concrete base. Our piers\u00a0have a simple but effective mechanism with 3 pairs of screws (each pair has a thrust screw and a fastening one), which allow to perfectly set\u00a0 the pier\u00a0in vertical position (in order to make a precise polar alignment it&#8217;s in fact necessary the mount\u00a0to be perfectly leveled). We then placed the mount\u00a0on the pier\u00a0(in the picture\u00a0a SkyWatcher AZ-EQ6 SynScan). The structure\u00a0will be one that will remain fixed on the outside, protected by a special waterproof cover when not in use.<\/p>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_816\" aria-describedby=\"caption-attachment-816\" style=\"width: 625px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-816 size-large\" src=\"https:\/\/www.primalucelab.com\/wp\/astronomia\/wp-content\/uploads\/sites\/3\/2015\/04\/osservatorio_nel_giardino_di_casa_5-650x420.jpg\" alt=\"A Backyard Observatory: insertion of the anchors for the pier (left) and mount installed (right)\" width=\"625\" height=\"404\" \/><figcaption id=\"caption-attachment-816\" class=\"wp-caption-text\">A Backyard Observatory: insertion of the anchors for the pier (left) and mount installed (right)<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p class=\"p1\">When you want to use the instrument, just place tube and counterweights on the mount\u00a0(photo below-left). In this case we have prepared a setup with our Newton 200CF f4.5 telescope and the AIRY APO80 refractor installed in parallel with PLUS system (dovetail bars, dovetail clamps and guide rings). When not in use, the user can\u00a0remove the optical tube with counterweights and cover the mount\u00a0with a covering structure\u00a0that can be made from wood, cork and insulation material (pictured bottom-right, a provisional waterproof structure). This covering structure\u00a0is fixed to the base of the pier\u00a0and to the ground with special rods: in case of bad weather, it can not move!<\/p>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_817\" aria-describedby=\"caption-attachment-817\" style=\"width: 625px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-817 size-large\" src=\"https:\/\/www.primalucelab.com\/wp\/astronomia\/wp-content\/uploads\/sites\/3\/2015\/04\/osservatorio_nel_giardino_di_casa_6-650x420.jpg\" alt=\"A Backyard Observatory: telescope ready to use (left) and waterproof structure that covers the mount (right)\" width=\"625\" height=\"404\" \/><figcaption id=\"caption-attachment-817\" class=\"wp-caption-text\">A Backyard Observatory: telescope ready to use (left) and waterproof structure that covers the mount (right)<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p class=\"p1\">It&#8217;s obvious that having a backyard observatory with a dome or a sliding roof house is better but this simple structure provides a much simpler and cheaper way, for\u00a0everyone.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>One of the higher\u00a0ambitions of many amateur astronomers is to have a backyard\u00a0observatory. Who has available a sky with not too high light pollution in fact would like to have his telescope\u00a0already installed and ready to use, without the need to assemble all the components each time to observe or&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2531,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[64],"tags":[],"class_list":["post-728","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-astrophotography-technique"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v16.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>A Backyard Observatory<\/title>\n<meta name=\"description\" content=\"A solution to create a backyard observatory in a simple, cheap and fast way, to have your telescope always ready to use.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.primalucelab.com\/blog\/osservatorio-nel-giardino-di-casa-a-backyard-observatory\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A Backyard Observatory\" \/>\n<meta property=\"og:description\" content=\"A solution to create a backyard observatory in a simple, cheap and fast way, to have your telescope always ready to use.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.primalucelab.com\/blog\/osservatorio-nel-giardino-di-casa-a-backyard-observatory\/\" \/>\n<meta property=\"og:site_name\" content=\"PrimaLuceLab\" \/>\n<meta property=\"article:published_time\" content=\"2015-04-08T08:19:49+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-08-31T12:44:52+00:00\" \/>\n<meta property=\"og:image\" 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