{"product_id":"qhyccd-st-4-guiding-cable-for-qhy5iii-series","title":"QHYCCD ST-4 Guiding Cable for QHY5III Series","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eConnects QHY5III Series cameras to an ST-4 autoguider port\u003c\/li\u003e\n\u003cli\u003eEnables direct, hardware-level guide corrections\u003c\/li\u003e\n\u003cli\u003eStandard connector for most equatorial mounts\u003c\/li\u003e\n\u003cli\u003eReliable communication for precise tracking\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eST-4 Guiding Cable for QHY5III Series\u003c\/h2\u003e\n\u003cp\u003eThis ST-4 Guiding Cable provides the essential physical link between your QHY5III series guide camera and the autoguider port on your equatorial mount. It enables your imaging software to send direct, hardware-based correction signals to the mount's motors for precise, sub-pixel tracking during long-exposure astrophotography.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eDirect Mount Correction for the QHY5III Series\u003c\/h3\u003e\n\u003cp\u003eThe ST-4 standard is a direct, reliable method for autoguiding. This cable transmits simple on\/off signals for each of the four cardinal directions (RA+, RA-, Dec+, Dec-), bypassing the complexities of software-based pulse guiding through a computer's serial or USB port. This results in a robust, low-latency connection that is essential for maintaining sharp, pinpoint stars over many minutes of exposure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eST-4 vs. Pulse Guiding: When to Use This Cable\u003c\/h3\u003e\n\u003cp\u003eWhile many modern setups use ASCOM pulse guiding over a single USB cable, an ST-4 connection remains a critical tool. It's an indispensable backup if your primary connection fails and is the primary method for guiding with non-ASCOM mounts or setups where minimizing cable runs to the computer is a priority. For imagers seeking the most direct and physically isolated guiding system, the ST-4 cable for your QHY5III camera is the standard.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the purpose of the ST-4 Guiding Cable for QHY5III Series?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis cable connects your \u003cstrong\u003eQHY5III series camera\u003c\/strong\u003e to the \u003cstrong\u003eST-4 autoguider port\u003c\/strong\u003e on your telescope mount. This allows guiding software, like PHD2, to send correction signals directly to the mount's motors to ensure accurate tracking on a guide star.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhich QHYCCD cameras are compatible with this ST-4 cable?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis cable is specifically designed for the \u003cstrong\u003eQHY5III series\u003c\/strong\u003e of planetary and guide cameras. It connects to the ST-4 compatible port present on these models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need this ST-4 cable if my mount supports ASCOM pulse guiding?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNot necessarily, but it is highly recommended. While ASCOM pulse guiding sends corrections through the main mount connection (USB\/Serial), an ST-4 cable provides a separate, dedicated hardware link. This can be more reliable in some setups and serves as an essential backup if you experience issues with your primary ASCOM connection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I connect this guiding cable between my QHY5III camera and my Sky-Watcher EQ6-R Pro mount?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eConnecting the cable is straightforward. One end plugs into the guide port on your QHY5III series camera, and the other end plugs into the port labeled \"AUTO GUIDE\" or \"ST-4\" on your Sky-Watcher EQ6-R Pro mount. Once connected, you can select \"On-camera (ST-4)\" as your mount output in your guiding software.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs this ST-4 Guiding Cable compatible with older QHY5-II series cameras?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis cable is specified for the QHY5III series. While the port may be similar, you should verify compatibility for older camera models. Using the correct cable specified for your camera series ensures proper pinout and reliable communication with the mount.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eMy mount is a Celestron AVX. Is this the correct cable to use with a QHY5III-462C for guiding?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The Celestron AVX mount features a standard ST-4 autoguider port. This cable will correctly link your QHY5III-462C camera to the AVX mount, allowing your software to send guide corrections for precise tracking.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eQHY5III Series Cameras\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Type\u003c\/td\u003e\n\u003ctd\u003eST-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eST-4 Guiding Cable for QHY5III Series\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/qhyccd-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eQHYCCD Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"QHYCCD","offers":[{"title":"Default Title","offer_id":52942993850653,"sku":"QHY-030002","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/QHYCCD-ST-4-Guiding-Cable-for-QHY5III-Series-1_ab0f2119-f8a6-48d4-919c-c9690234bcc0.jpg?v=1789615122","url":"https:\/\/davidastro.com\/en-us\/products\/qhyccd-st-4-guiding-cable-for-qhy5iii-series","provider":"David Astro","version":"1.0","type":"link"}