{"id":78,"date":"2020-10-19T00:00:00","date_gmt":"2020-10-18T22:00:00","guid":{"rendered":"https:\/\/hujer.net\/?p=78"},"modified":"2026-02-21T16:36:58","modified_gmt":"2026-02-21T15:36:58","slug":"onstep-aneb-robotizace-dalekohledu-19-10-2020","status":"publish","type":"post","link":"https:\/\/hujer.net\/?p=78","title":{"rendered":"OnStep aneb robotizace dalekohled\u016f"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">Jak to za\u010dalo<\/h3>\n\n\n\n<p>Jak to b\u00fdv\u00e1, na ja\u0159e roku 2017 se se\u0161lo n\u011bkolik ud\u00e1lost\u00ed, kter\u00e9 ovlivnily dal\u0161\u00ed v\u00fdvoj.<\/p>\n\n\n\n<figure class=\"wp-block-image alignleft\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/E2.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/E2-300x450.jpg\" alt=\"\" class=\"wp-image-11384\"\/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>\u00bb Byl jsem vlastn\u00edkem mont\u00e1\u017ee EQ3 SEBEN \u2013 (mechanicky shodn\u00e1 s tou, co b\u00fdvala u popul\u00e1rn\u00edho Lidlskopu)<\/p>\n\n\n\n<p>\u00bb Stal jsem se tak\u00e9 vlastn\u00edkem 3D tisk\u00e1rny Anet A8 (\u010d\u00ednsk\u00fd klon Pr\u016f\u0161ovy i3)<\/p>\n\n\n\n<p>\u00bb&nbsp;Na internetu jsem narazil na str\u00e1nku <a href=\"http:\/\/www.stellarjourney.com\/index.php?r=site\/index\">Stellar Journey<\/a>, kde Howard Dutton popisoval sv\u016fj projekt <a href=\"https:\/\/onstep.groups.io\/g\/main\/wiki\/3860\">OnStep<\/a>, na kter\u00e9m pracoval ji\u017e od roku 2012 a nyn\u00ed se dostal do velmi pou\u017eiteln\u00e9ho stavu. Nav\u00edc cel\u00fd projekt publikoval pod GNU licenc\u00ed na <a href=\"https:\/\/github.com\/hjd1964\/OnStep\">Github<\/a>.<\/p>\n\n\n\n<p>Projekt m\u011b nadchnul. Stavba prvn\u00edho \u0159adi\u010de na b\u00e1zi Arduino modulu Mega2560 dle Howardova popisu byla jednoduch\u00e1 a pot\u0159ebn\u00e9 komponenty na <a href=\"http:\/\/www.ebay.com\/\">eBay<\/a> byly za velmi p\u0159\u00edzniv\u00e9 ceny, a tak jsem v\u0161e pot\u0159ebn\u00e9, v\u010detn\u011b krokov\u00fdch motor\u016f, objednal.&nbsp;Za cca 3 t\u00fddny jsem m\u011bl v\u0161e pot\u0159ebn\u00e9 doma a mohl se pustit do stavby prvn\u00edho prototypu.<\/p>\n\n\n\n<!--more-->\n\n\n\n<h3 class=\"wp-block-heading\">P\u0159estavba EQ3 SEBEN<\/h3>\n\n\n\n<p>Jak jsem ji\u017e uvedl, mont\u00e1\u017e je mechanicky shodn\u00e1 i s EQ mont\u00e1\u017e\u00ed d\u0159\u00edve dod\u00e1van\u00e9 k popul\u00e1rn\u00edmu Lidlskopu i jin\u00fdch v\u00fdrobc\u016f. Na <a href=\"https:\/\/www.thingiverse.com\/\">Thingiverse<\/a> jsem na\u0161el jedno z technick\u00fdch \u0159e\u0161en\u00ed, jak k t\u00e9to mont\u00e1\u017ei p\u0159ipojit krokov\u00e9 motory:<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/www.thingiverse.com\/thing:1002001\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/seben0-450x394.jpg\" alt=\"\" class=\"wp-image-11391\"\/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Jak se velmi brzo uk\u00e1zalo, toto \u0159e\u0161en\u00ed nen\u00ed zrovna nejlep\u0161\u00ed, proto\u017ee neumo\u017e\u0148uje pln\u00fd rozsah pohybu v deklinaci, proto\u017ee RA motor na z\u00e1padn\u00ed stran\u011b p\u0159ek\u00e1\u017e\u00ed. D\u00e1le m\u00e9 krokov\u00e9 motory nem\u011bly dostate\u010dn\u00fd v\u00fdkon, aby s mont\u00e1\u017e\u00ed spolehliv\u011b pohybovaly. Proto jsem se rozhodl navrhnout vlastn\u00ed \u0159e\u0161en\u00ed, kter\u00e9 jsem posl\u00e9ze publikoval tak\u00e9 na <a href=\"https:\/\/www.thingiverse.com\/thing:2476084\">Thingiverse<\/a>.<\/p>\n\n\n\n<p>Prvn\u00ed verze z l\u00e9ta 2017 m\u011bla plastov\u00e9 p\u0159evody. Zde je n\u011bkolik fotografi\u00ed:<\/p>\n\n\n\n<figure class=\"wp-block-image alignleft\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/seben1.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/seben1-264x450.jpg\" alt=\"\" class=\"wp-image-11396\"\/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/seben4.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/seben4-450x448.jpg\" alt=\"\" class=\"wp-image-11399\"\/><\/a><\/figure>\n\n\n\n<p class=\"has-text-align-center\"><\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/seben2.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/seben2-450x371.jpg\" alt=\"\" class=\"wp-image-11397\"\/><\/a><\/figure>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/seben2.jpg\">&nbsp;<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/seben3-450x314.jpg\" alt=\"\" class=\"wp-image-11398\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center\"><\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>V pozd\u011bj\u0161\u00ed verzi z po\u010d\u00e1tku roku 2018 byly n\u011bkter\u00e9 \u010d\u00e1sti nahrazeny za&nbsp;kovov\u00e9 a pro p\u0159evody pou\u017eity GT2 \u0159emeny:<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/seben22.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/seben22-150x150.jpg\" alt=\"\" class=\"wp-image-11409\"\/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image alignright\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/seben21.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/seben21-150x150.jpg\" alt=\"\" class=\"wp-image-11408\"\/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Prvn\u00ed \u0159\u00eddic\u00ed jednotka OnStep<\/h3>\n\n\n\n<p>Ale srdcem robotick\u00e9ho dalekohledu je \u0159\u00eddic\u00ed jednotka. Prvn\u00ed funk\u010dn\u00ed jednotku jsem dle <a href=\"https:\/\/onstep.groups.io\/g\/main\/wiki\/3995\">Howardova n\u00e1vodu<\/a> postavil na nep\u00e1jiv\u00e9m poli ji\u017e po\u010d\u00e1tkem \u010dervence 2017 a jako z\u00e1zrakem v\u0161e fungovalo na prvn\u00ed pokus. V\u0161e si je mo\u017en\u00e9 prohl\u00e9dnout na n\u00e1sleduj\u00edc\u00edm videu, kter\u00e9 jsem tehdy nato\u010dil:<\/p>\n\n\n\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/mOXqw7EN8YE\" width=\"400\" height=\"225\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n\n\n\n<p>Po \u00fasp\u011b\u0161n\u00fdch testech jsem tuto jednotku postavil na univerz\u00e1ln\u00edm plo\u0161n\u00e9m spoji od <a href=\"https:\/\/www.ebay.com\/itm\/Prototype-PCB-for-Arduino-MEGA-2560-R3-Shield-Board-DIY-NEW\/252839427512\">Adruino Mega2560<\/a> a um\u00edstil do <a href=\"https:\/\/www.thingiverse.com\/thing:2748375\">krabi\u010dky<\/a>, kterou jsem pro tento \u00fa\u010del navrhl:<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image alignleft\"><a href=\"https:\/\/www.thingiverse.com\/thing:2748375\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/Box1-432x450.jpg\" alt=\"\" class=\"wp-image-11425\"\/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/Box1Pcb1.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/Box1Pcb1-450x278.jpg\" alt=\"\" class=\"wp-image-11426\"\/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/Box1Pcb2.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/Box1Pcb2-450x322.jpg\" alt=\"\" class=\"wp-image-11427\"\/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>Dal\u0161\u00edm u\u017eite\u010dn\u00fdm dopl\u0148kem je i jednoduch\u00fd k\u0159\u00ed\u017eov\u00fd ovlada\u010d, kter\u00fd se k \u0159\u00eddic\u00ed jednotce p\u0159ipojuje prost\u0159ednictv\u00edm ST4 portu, ten jsem tak\u00e9 <a href=\"https:\/\/www.thingiverse.com\/thing:2626117\">navrhl<\/a>:<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><a href=\"https:\/\/www.thingiverse.com\/thing:2626117\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/ShST4-150x150.jpg\" alt=\"\" class=\"wp-image-11430\"\/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Prvn\u00ed sv\u011btlo<\/h3>\n\n\n\n<p>Koncem srpna 2017 nastal \u010das na prvn\u00ed sv\u011btlo \u2013 prvn\u00ed DSO sn\u00edmky jsou z hlediska technick\u00e9 kvality na dne\u0161n\u00ed dobu nic moc, ale jsou to m\u00e9 prvn\u00ed DSO sn\u00edmky po\u0159\u00edzen\u00e9 dalekohledem s v\u00fd\u0161e popsanou sestavou a ve m\u011bst\u011b&nbsp; kde zna\u010dn\u00e9 sv\u011bteln\u00e9 zne\u010di\u0161t\u011bn\u00ed.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/M33-a.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/M33-a-450x307.jpg\" alt=\"\" class=\"wp-image-11438\"\/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><span style=\"font-size: 14px;\">M33, 29. 8. 2017, Vrkoslavice, Newton 150\/750 mm, Pentax K-70, 31\u00d730 sec, ISO 6400<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/M31-a.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/M31-a-450x338.jpg\" alt=\"\" class=\"wp-image-11437\"\/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><span style=\"font-size: 14px;\">M31, 29. 8. 2017, Vrkoslavice, Newton 150\/750 mm, Pentax K-70, 38\u00d730 sec, ISO 6400<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00fdvoj syst\u00e9mu OnStep v roce 2018<\/h3>\n\n\n\n<p>V roce 2018 v\u00fdvoj syst\u00e9mu zaznamenal dal\u0161\u00ed v\u00fdznamn\u00fd posun jak ze strany Howarda, tak i dal\u0161\u00edch spolupracovn\u00edk\u016f. Zejm\u00e9na Charles Lemaire do syst\u00e9mu OnStep p\u0159idal software <a href=\"https:\/\/onstep.groups.io\/g\/main\/wiki\/7152\">SHC (Smart Hand Controller)<\/a>, je\u017e vyvinul v r\u00e1mci sv\u00e9ho projektu \u201e<a href=\"https:\/\/groups.io\/g\/TeenAstro\/wiki\/Home\">Teen Astro<\/a>\u201c. Dal\u0161\u00ed d\u016fle\u017eitou zm\u011bnou byl i n\u00e1vrh prvn\u00edch plo\u0161n\u00fdch spoj\u016f Howardem v syst\u00e9mu <a href=\"https:\/\/easyeda.com\/hdutton\">EasyEDA<\/a>. System EasyEDA sponzoruje firma <a href=\"https:\/\/jlcpcb.com\/\">JLCPCB<\/a>, kter\u00e1 vyr\u00e1b\u00ed i malos\u00e9riov\u00e9 zak\u00e1zkov\u00e9 PCB za velmi p\u0159\u00edzniv\u00e9 ceny (5 ks za 2 $), a to v profesion\u00e1ln\u00ed kvalit\u011b. Mo\u017enost n\u00e1kupu t\u011bchto \u201eprofi\u201c PCB zna\u010dn\u011b zjednodu\u0161ilo konstrukci \u0159\u00eddic\u00edch OnStep jednotek.<\/p>\n\n\n\n<p>I j\u00e1 jsem jsem t\u00e9to mo\u017enosti poprv\u00e9 vyu\u017eil a zakoupil PCB na stavbu SHC dle Howardova <a href=\"https:\/\/easyeda.com\/hdutton\/HC-20e242d665db4c85bb565a0cd0b52233\">n\u00e1vrhu<\/a>. SHC jsem \u00fasp\u011b\u0161n\u011b postavil a navrhl jsem i n\u011bkolik drobn\u00fdch \u00faprav \u2013 <a href=\"https:\/\/easyeda.com\/hujer.roman\/HC-20e242d665db4c85bb565a0cd0b52233\">dopl\u0148k\u016f.<\/a> Tak\u00e9 jsem navrhl vlastn\u00ed upravenou krabi\u010dku, v\u0161e jsem pak zve\u0159ejnil na <a href=\"https:\/\/www.thingiverse.com\/thing:3212339\">Thingiverse<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/sh2.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/sh2-304x450.jpg\" alt=\"\" class=\"wp-image-11455\"\/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image alignright\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/sh1.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/sh1-450x317.jpg\" alt=\"\" class=\"wp-image-11454\"\/><\/a><\/figure>\n\n\n\n<p> &nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Dopl\u0148ky k EQ6 Pro Synscan<\/h3>\n\n\n\n<p>Te\u010f mal\u00e1 odbo\u010dka. Mechanick\u00e9 nedostatky mont\u00e1\u017ee EQ3 SEBEN nezachr\u00e1nila ani nejlep\u0161\u00ed elektronika a pokud jsem krom\u011b planet a M\u011bs\u00edce cht\u011bl fotit DSO s del\u0161\u00edmi \u010dasy, bylo nutn\u00e9 se poohl\u00e9dnout po n\u011b\u010dem dokonalej\u0161\u00edm. Volba nakonec padla na <a href=\"http:\/\/skywatcher.com\/product\/az-eq6-synscan\/\">SkyWatcher EQ6 Pro<\/a>. Pot\u00e9, co se objevila doma, m\u011b trochu p\u0159ekvapilo, \u017ee po str\u00e1nce elekroniky je minim\u00e1ln\u011b o jednu generaci pozadu za syst\u00e9mem OnStep. Zejm\u00e9na mi sch\u00e1zelo p\u0159\u00edm\u00e9 propojen\u00ed s aplikac\u00ed SkySafari z mobilu nebo tabletu, na kter\u00e9 jsem si ji\u017e u OnStepu zvyknul.<\/p>\n\n\n\n<p>Abych tento nedostatek n\u011bjak vy\u0159e\u0161il, navrhl jsem v syt\u00e9mu EasyEDA dva pomocn\u00e9 <a href=\"https:\/\/easyeda.com\/hujer.roman\/synscan-bt-adapter-and-camera-control-port\">Bluetooth<\/a> a <a href=\"https:\/\/easyeda.com\/hujer.roman\/wifi-for-synscan\">Wi-Fi<\/a> moduly, kter\u00e9 je mo\u017en\u00e9 p\u0159ipojit k SynScan ru\u010dce. Moduly nav\u00edc umo\u017e\u0148uj\u00ed ovl\u00e1d\u00e1n\u00ed spou\u0161t\u011b fotoapar\u00e1tu pomoc\u00ed intern\u00edho \u010dasova\u010de v SynScan ru\u010dce. Pot\u0159ebn\u00e9 krabi\u010dky jsou tak\u00e9 na Thingiverse: <a href=\"https:\/\/www.thingiverse.com\/thing:3176051\">Bluetooth<\/a> \/&nbsp;<a href=\"https:\/\/www.thingiverse.com\/thing:3197960\">Wi-Fi<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/synscanwifi-450x314.jpg\" alt=\"\" class=\"wp-image-11460\"\/><\/figure>\n\n\n\n<p><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/synscanwifi.jpg\">&nbsp;&nbsp;<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image alignright\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/sysscanwifi2.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/sysscanwifi2-150x150.jpg\" alt=\"\" class=\"wp-image-11462\"\/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/sysnscanBTjpg.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/sysnscanBTjpg-150x150.jpg\" alt=\"\" class=\"wp-image-11461\"\/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Mal\u00e1 cestovn\u00ed EQ mont\u00e1\u017e z 3D tisk\u00e1rny<\/h3>\n\n\n\n<p>My\u0161lenka vytvo\u0159it malou EQ mont\u00e1\u017e vznikla ji\u017e koncem roku 2017, kdy po dvou m\u00e9n\u011b \u00fasp\u011b\u0161n\u00fdch pokusech (<a href=\"https:\/\/www.thingiverse.com\/thing:2636470\">zde<\/a> a <a href=\"https:\/\/www.thingiverse.com\/thing:2748281\">zde<\/a>) jsem se po\u010d\u00e1tkem roku 2019 dopracoval k <a href=\"https:\/\/www.thingiverse.com\/thing:3327081\">verzi<\/a>, kter\u00e1 je pou\u017eiteln\u00e1 i pro DSO sn\u00edmky i s del\u0161\u00edm \u010dasem. A m\u016f\u017ee sm\u011ble konkurovat komer\u010dn\u00edmu syst\u00e9mu <a href=\"http:\/\/www.skywatcher.com\/product\/star-adventurer\/\">Star Adventurer<\/a> od SkyWatcher. Nav\u00edc disponuje plnohodnotn\u00fdm GOTO syst\u00e9mem v\u010detn\u011b \u0159\u00edzen\u00ed v deklinaci.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/3dEQ.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/3dEQ-450x404.jpg\" alt=\"\" class=\"wp-image-11470\"\/><\/a><\/figure>\n\n\n\n<p class=\"has-text-align-center\"><\/p>\n\n\n\n<p>Nutno poznamenat, \u017ee vytou\u017een\u00e9ho v\u00fdsledku jsem dos\u00e1hl a\u017e p\u0159i pou\u017eit\u00ed motoru s HG p\u0159evodovkou <a href=\"https:\/\/www.omc-stepperonline.com\/nema-17-stepper-motor-l39mm-gear-raio-1001-high-precision-planetary-gearbox-17hs15-1684s-hg100.html\">17HS15-1684S-HG100<\/a>. Levn\u011bj\u0161\u00ed PG motory <a href=\"https:\/\/www.omc-stepperonline.com\/nema-17-stepper-motor-bipolar-l48mm-w-gear-raio-1001-planetary-gearbox-17hs19-1684s-pg100.html\">17HS19-1684S-PG100<\/a> se z d\u016fvodu zna\u010dn\u00e9 v\u016fle neosv\u011bd\u010dily. Dal\u0161\u00ed zm\u011bnou bylo pou\u017eit\u00ed druh\u00e9 veze plo\u0161n\u00e9ho <a href=\"https:\/\/easyeda.com\/hdutton\/minipcb2\">MiniPCB2<\/a> pro stavbu OnStep ovlada\u010de, kterou na EasyEDA navrhl Howard Dutton. Pro tento \u0159adi\u010d jsem navrhl vlastn\u00ed <a href=\"https:\/\/www.thingiverse.com\/thing:3404139\">krabi\u010dku<\/a> pro 3D tisk\u00e1rnu. V\u0161e se t\u00edm r\u00e1zem zmen\u0161ilo do p\u0159ijateln\u00fdch cestovn\u00edch rozm\u011br\u016f.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/MinBox.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/MinBox-450x400.jpg\" alt=\"\" class=\"wp-image-11474\"\/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image alignright\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/MiniPCB.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/MiniPCB-450x337.jpg\" alt=\"\" class=\"wp-image-11475\"\/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Uk\u00e1zkov\u00e9 DSO sn\u00edmky:<\/p>\n\n\n\n<figure class=\"wp-block-image alignnone\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/M31_2019-06-30.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/M31_2019-06-30-450x300.jpg\" alt=\"\" class=\"wp-image-11481\"\/><\/a><figcaption class=\"wp-element-caption\">M31, 30. 6. 2019, Lom Stanislaw PL, Pentax K-70, HOYA HMC Tele-Auto f=135 mm 1:2.8 f\/4, 25\u00d760 sec, ISO 1600<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image alignnone\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/C2019-T2-2020-01-25.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/C2019-T2-2020-01-25-450x300.jpg\" alt=\"\" class=\"wp-image-11479\"\/><\/a><figcaption class=\"wp-element-caption\">Kometa C\/2017 T2 (PanSTARRS) u h a \u03c7 Per, 25. 1. 2020, Rozdro\u017ce Izerskie PL, Pentax K-70, HOYA HMC Tele-Auto F=135 mm 1:2.8 f\/4, 125\u00d760 sec, ISO 6400, Optolong 2&#8243; CLS filtr<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">P\u0159estavba SkyWatcher EQ5 na OnStep<\/h3>\n\n\n\n<p>Po\u010d\u00e1tkem roku 2020 se mi poda\u0159ilo z\u00edskat novou mont\u00e1\u017e SkyWatcher <a href=\"http:\/\/skywatcher.com\/product\/eq5-mount-with-steel-tripod\/\">EQ5 mount<\/a> bez elektrick\u00fdch pohon\u016f. Vzhledem k p\u0159edchoz\u00edm zku\u0161enostem bylo pro m\u011b ji\u017e celkem jednoduch\u00e9 adaptovat tuto mont\u00e1\u017e na OnStep GoTo, a to op\u011bt zejm\u00e9na pomoc\u00ed d\u00edl\u016f vytisknut\u00fdch na 3D tisk\u00e1rn\u011b. P\u016fvodn\u00ed n\u00e1vrh z \u00fanora jsem dle zku\u0161enost\u00ed z provozu nyn\u00ed na podzim vylep\u0161il \u2013 doplnil o vn\u011bj\u0161\u00ed kryty \u0159emenov\u00fdch p\u0159evod\u016f. Nav\u00edc d\u00edly z \u010derven\u00e9ho PETG vypadaj\u00ed nyn\u00ed velmi elegantn\u011b \ud83d\ude42 Modely d\u00edl\u016f pro 3D tisk\u00e1rnu jsou <a href=\"https:\/\/www.thingiverse.com\/thing:4170058\">zde<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image alignleft\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/E1.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/E1-300x450.jpg\" alt=\"\" class=\"wp-image-11490\"\/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image alignright\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/E4.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/E4-450x300.jpg\" alt=\"\" class=\"wp-image-11492\"\/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image alignright\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/E3.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/E3-450x300.jpg\" alt=\"\" class=\"wp-image-11491\"\/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><\/h3>\n\n\n\n<div class=\"wp-menu-arrow\">\n<div><\/div>\n<\/div>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>\u0158\u00eddic\u00ed jednotka OnStep je op\u011bt postavena na z\u00e1klad\u011b <a href=\"https:\/\/easyeda.com\/hdutton\/minipcb2\">MiniPCB2<\/a>, ovlada\u010de krokov\u00fdch motor\u016f jsou TMC2130 a d\u00edky tomu m\u00e1 moje \u0159e\u0161en\u00ed teoreticky cca dvojn\u00e1sobnou p\u0159esnost ne\u017e origin\u00e1ln\u00ed <a href=\"https:\/\/www.binox.cz\/upgrade-kit-synscan\/upgrade-kit-synscan-goto-pro-montaz-eq5\/\">tov\u00e1rn\u00ed jednotka SynScan<\/a> pro tuto mont\u00e1\u017e (0,14 \u00fahlov\u00e9 vte\u0159iny na mikrokrok) tj. na \u00farovni EQ6. SHC jen nyn\u00ed postaveno na z\u00e1klad\u011b desky, kterou navrhl <a href=\"https:\/\/easyeda.com\/dschwartz\/onstep-shc\">Dave Schwartz<\/a>, kde m\u00edsto procesoru Teensy 3.2 je pou\u017e\u00edt levn\u011bj\u0161\u00ed, ale p\u0159esto v\u00fdkonn\u011bj\u0161\u00ed processor ESP32.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/Screenshot_20200326-020204_ASIAIR.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/Screenshot_20200326-020204_ASIAIR-450x219.jpg\" alt=\"\" class=\"wp-image-11503\"\/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Uk\u00e1zka p\u0159esnosti b\u011bhu pointace, jak to zobrazuje ASIair<\/p>\n\n\n\n<p>Uk\u00e1zkov\u00e9 DSO sn\u00edmky:<\/p>\n\n\n\n<figure class=\"wp-block-image alignnone\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/M3-2020-03-26.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/M3-2020-03-26-450x300.jpg\" alt=\"\" class=\"wp-image-11506\"\/><\/a><figcaption class=\"wp-element-caption\">M3, 26. 3. 2020, Jizerka, Newton 150\/750 mm, Canon EOS 1300D, 30\u00d760 sec ISO 1600.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image alignnone\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/M65_M66_NGC3628-2020-03-23.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/M65_M66_NGC3628-2020-03-23-450x300.jpg\" alt=\"\" class=\"wp-image-11505\"\/><\/a><figcaption class=\"wp-element-caption\">Leo Triplet, 23. 3. 2020, Al\u0161ovice, Newton 150\/750 mm, Canon EOS 1300D, 60\u00d7180 sec ISO 1600.<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">P\u0159estavba GS-280 na OnStep<\/h3>\n\n\n\n<p>Dal\u0161\u00edm strojem, kter\u00fd jsem p\u0159estav\u011bl, je <a href=\"http:\/\/udalosti.astro.cz\/backup\/montaz-gso.htm\" target=\"_blank\" rel=\"noopener noreferrer\">mont\u00e1\u017e GS-280<\/a>, kterou d\u0159\u00edve vyr\u00e1b\u011bla firma GSO. Ve skute\u010dnosti jsem ale ze dvou \u010d\u00e1ste\u010dn\u011b po\u0161kozen\u00fdch sestavil jednu funk\u010dn\u00ed. Pot\u0159ebn\u00e9 <a href=\"https:\/\/www.thingiverse.com\/thing:4386847\">moduly pro p\u0159estavbu<\/a> byly tak\u00e9 vytvo\u0159eny pro 3D tisk\u00e1rnu.<\/p>\n\n\n\n<figure class=\"wp-block-image alignleft\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/I1.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/I1-253x450.jpg\" alt=\"\" class=\"wp-image-11513\"\/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image alignright\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/i3.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/i3-253x450.jpg\" alt=\"\" class=\"wp-image-11516\"\/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image alignleft\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/i4.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/i4-450x253.jpg\" alt=\"\" class=\"wp-image-11517\"\/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image alignright\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/i5.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/i5-450x253.jpg\" alt=\"\" class=\"wp-image-11515\"\/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>OnStep \u0159adi\u010d pro tuto p\u0159estavbu jsem postavil na z\u00e1klad\u011b procesoru STM32 Blue Pill, plo\u0161n\u00fd spoj pro tuto platformu navrhl <a href=\"https:\/\/easyeda.com\/kbahey\/OnStep-STM32-Blue-Pill\">Khalid Baheyeldin a Dave Schwarts<\/a> na tyto verze \u0159\u00eddic\u00ed jednotky na rozd\u00edl od <a href=\"https:\/\/easyeda.com\/hdutton\/minipcb2\">MiniPCB2<\/a> m\u00e1 nav\u00edc i integrovan\u00fd \u0159adi\u010d pro budouc\u00ed \u0159\u00edzen\u00ed krokov\u00e9ho motoru elektronick\u00e9ho fokuseru. Moje krabi\u010dka i pro tuto variantu je k dispozici na <a href=\"https:\/\/www.thingiverse.com\/thing:4057270\">Thingiverse<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/Pic2.jpg\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/Pic2-450x300.jpg\" alt=\"\" class=\"wp-image-11525\"\/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Tuto mont\u00e1\u017e nyn\u00ed vyu\u017e\u00edv\u00e1 Martin Ma\u0161ek se star\u0161\u00edm objektivem <a href=\"http:\/\/udalosti.astro.cz\/?attachment_id=11522\">Zeiss Sonnar 180 mm<\/a> pro sv\u00e1 v\u011bdeck\u00e1 \u201ebalk\u00f3nov\u00e1\u201c pozorov\u00e1n\u00ed. P\u0159\u00edkladem je sledov\u00e1n\u00ed jasn\u011bj\u0161\u00edch prom\u011bnn\u00fdch hv\u011bzd, kter\u00e9 se daj\u00ed slu\u0161n\u011b m\u011b\u0159it i z m\u011bsta. Viz uk\u00e1zka sv\u011bteln\u00e9 k\u0159ivky z\u00e1krytov\u00e9 prom\u011bnn\u00e9 hv\u011bzdy EE Cet.<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/EE_Cet_Sonnar_GSO.gif\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/EE_Cet_Sonnar_GSO-450x386.gif\" alt=\"\" class=\"wp-image-11523\"\/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Vlastnosti syst\u00e9mu OnStep<\/h3>\n\n\n\n<p>Pro komunikaci s okoln\u00edm jsou pro OnStep k dispozici jak ASCOM, tak INDI i INDIGO drivery, kter\u00e9 umo\u017enuj\u00ed komunikaci jak p\u0159es s\u00e9riov\u00e9 USB rozhran\u00ed, tak i prost\u0159ednictv\u00edm IP protokolu. K dispozici je tak\u00e9 aplikace pro mobiln\u00ed telefony a tablety, a to jak pro <a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.onstepcontroller2\">Android<\/a>, tak i&nbsp;pro <a href=\"https:\/\/apps.apple.com\/us\/app\/gotomote\/id1445152416#?platform=iphone\">Apple iOS<\/a>. Aplikace pro Android umo\u017enuje spojen\u00ed p\u0159es WiFi nebo Bluetooth a aplikace pro Apple iOS umo\u017e\u0148uje spojen\u00ed pouze p\u0159es WiFi.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/aapp.png\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/aapp-450x256.png\" alt=\"\" class=\"wp-image-11528\"\/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Pro ostatn\u00ed platformy je k dispozici i integrovan\u00fd webov\u00fd server:<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/udalosti.astro.cz\/wp-content\/webapp.png\"><img decoding=\"async\" src=\"http:\/\/udalosti.astro.cz\/wp-content\/webapp-396x450.png\" alt=\"\" class=\"wp-image-11529\"\/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Komunika\u010dn\u00ed protokol OnStep vych\u00e1z\u00ed z protokolu LX200, kter\u00fd zavedla firma Meade, ale v sou\u010dasn\u00e9 dob\u011b ho zna\u010dn\u011b roz\u0161i\u0159uje. Podrobn\u00fd popis je <a href=\"https:\/\/onstep.groups.io\/g\/main\/wiki\/23755\">zde<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Co na z\u00e1v\u011br?<\/h3>\n\n\n\n<p>T\u011bchto t\u0159i a p\u016fl roku s OnStepem m\u011b hodn\u011b obohatilo o nov\u00e9 znalosti jak v oblasti 3D tisku, tak zejm\u00e9na ve stavb\u011b elektronick\u00fdch obvod\u016f na b\u00e1zi syst\u00e9mu Arduino. \u0160koda \u017ee tyto mo\u017enosti nebyly v dob\u011b m\u00e9ho ml\u00e1d\u00ed \ud83d\ude42<\/p>\n\n\n\n<p>V nov\u011b z\u0159\u00edzen\u00e9m \u201eTechnick\u00e9m koutku\u201c si na t\u011bchto str\u00e1nk\u00e1ch p\u0159\u00ed\u0161t\u011b \u0159ekneme o syst\u00e9mu ZWO ASiair \u2013 fotografov\u00e1n\u00ed DSO nebo planet pouze pomoc\u00ed mobilu nebo tabletu, p\u0159\u00edpadn\u011b o m\u00fdch dal\u0161\u00edch zaj\u00edmav\u00fdch projektech.<\/p>\n\n\n\n<p><em>Zpracoval: Roman Hujer, KaL<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Jak to za\u010dalo Jak to b\u00fdv\u00e1, na ja\u0159e roku 2017 se se\u0161lo n\u011bkolik ud\u00e1lost\u00ed, kter\u00e9 ovlivnily dal\u0161\u00ed v\u00fdvoj. \u00bb Byl jsem vlastn\u00edkem mont\u00e1\u017ee EQ3 SEBEN \u2013 (mechanicky shodn\u00e1 s tou, co b\u00fdvala u popul\u00e1rn\u00edho Lidlskopu) \u00bb Stal jsem se tak\u00e9 vlastn\u00edkem 3D tisk\u00e1rny Anet A8 (\u010d\u00ednsk\u00fd klon Pr\u016f\u0161ovy i3) \u00bb&nbsp;Na internetu jsem narazil na str\u00e1nku [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":151,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,10],"tags":[],"class_list":["post-78","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-astronomie","category-astrotechnika"],"_links":{"self":[{"href":"https:\/\/hujer.net\/index.php?rest_route=\/wp\/v2\/posts\/78","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hujer.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hujer.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hujer.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hujer.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=78"}],"version-history":[{"count":3,"href":"https:\/\/hujer.net\/index.php?rest_route=\/wp\/v2\/posts\/78\/revisions"}],"predecessor-version":[{"id":359,"href":"https:\/\/hujer.net\/index.php?rest_route=\/wp\/v2\/posts\/78\/revisions\/359"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hujer.net\/index.php?rest_route=\/wp\/v2\/media\/151"}],"wp:attachment":[{"href":"https:\/\/hujer.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=78"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hujer.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=78"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hujer.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=78"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}