{"product_id":"ioptron-8401","title":"iOptron Go2Nova® Handset 8401","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eGoToNova® database with over 120,000 celestial objects\u003c\/li\u003e\n\u003cli\u003eLarge 8-line backlit LCD for clear menu navigation\u003c\/li\u003e\n\u003cli\u003e9 slew speeds for precise centering and rapid slewing\u003c\/li\u003e\n\u003cli\u003e32-bit ARM processor for fast calculations\u003c\/li\u003e\n\u003cli\u003eUSB port for firmware updates and ASCOM computer control\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\u003eDownloads\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\u003eiOptron Go2Nova® Handset 8401\u003c\/h2\u003e\n\u003cp\u003eThe iOptron Go2Nova® Handset 8401 is a powerful GoTo controller that puts a celestial database of over 120,000 objects directly into your hands, driven by a 32-bit ARM CPU for responsive performance. Its large, backlit 8-line display provides more information at a glance than smaller screens, while 9 distinct slew speeds—from 1x for fine adjustments to MAX for rapid repositioning—give you complete control over your iOptron mount.\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\u003eThe GoToNova 120,000+ Object Database\u003c\/h3\u003e\n\u003cp\u003eAt the core of the 8401 handset is the comprehensive GoToNova database, containing over 120,000 objects. This extensive catalog goes far beyond the standard Messier and Caldwell lists, including vast selections from the NGC, IC, and other catalogs, ensuring you always have a new target to explore. This makes the handset a complete, field-ready solution that doesn't require an external planetarium app for a full night of observing.\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\u003e8-Line Display and 9-Speed Slew Control\u003c\/h3\u003e\n\u003cp\u003eThe user interface is designed for clarity and precision in the dark. The backlit 8-line LCD shows multiple lines of menu text and object data simultaneously, minimizing the need to scroll through screens. You can precisely center any object using the 9 available slew speeds, from the ultra-fine 1x and 2x sidereal rates to the rapid 512x and MAX speeds for moving across the sky.\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\u003eASCOM Control and Firmware Upgrades via USB\u003c\/h3\u003e\n\u003cp\u003eA built-in USB port transforms the Go2Nova 8401 from a simple hand controller into a bridge for advanced computer control. This port allows for a direct, wired connection to a PC, enabling full ASCOM-compatible control from your favorite planetarium or imaging software. The USB connection also facilitates firmware upgrades, allowing you to load the latest object catalogs and feature enhancements from iOptron, keeping your system current for years to come.\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 kind of information does the Go2Nova 8401's 8-line display show during a GoTo?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe large 8-line display shows the object's name and catalog number, its Right Ascension and Declination coordinates, and its apparent magnitude, all at the same time. This provides a complete data summary without forcing you to scroll through multiple screens before initiating a slew.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the 120,000+ object database in the Go2Nova 8401 help beyond finding targets like the Andromeda Galaxy (M31)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile it contains all popular objects, the extensive \u003cstrong\u003e120,000+ object database\u003c\/strong\u003e is ideal for exploring beyond the familiar. It includes thousands of lesser-known galaxies, star clusters, and nebulae from the NGC and IC catalogs, as well as extensive star lists. This allows you to go \"off the beaten path\" and discover challenging new targets from any observing site.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I control my iOptron mount with a computer using the Go2Nova 8401 handset?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The Go2Nova 8401 handset features a \u003cstrong\u003eUSB port\u003c\/strong\u003e that allows it to serve as an interface between your mount and a computer. It is fully \u003cstrong\u003eASCOM compatible\u003c\/strong\u003e, so you can control your mount directly from popular astronomy software like N.I.N.A., Sequence Generator Pro, Stellarium, or Cartes du Ciel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the benefit of the 9 different slew speeds on the Go2Nova 8401?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003e9 slew speeds\u003c\/strong\u003e give you precise control for any task.\n\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlow Speeds (1x, 2x, 8x):\u003c\/strong\u003e Perfect for making fine adjustments to center an object in a high-magnification eyepiece or on a small camera sensor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedium Speeds (16x, 64x, 128x):\u003c\/strong\u003e Useful for scanning small regions of the sky or moving between close targets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Speeds (256x, 512x, MAX):\u003c\/strong\u003e Used for GoTo slews to move the telescope quickly from one part of the sky to another.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I update the firmware on the Go2Nova 8401 handset?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFirmware updates are performed using the built-in \u003cstrong\u003eUSB port\u003c\/strong\u003e. You can download the latest firmware from the iOptron website and use their utility software to load it onto the handset. This ensures your controller has the most up-to-date object database and operational improvements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhen slewing to a faint object like the Horsehead Nebula (B33) with the Go2Nova 8401, which slew speeds are best for final centering?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAfter the initial high-speed GoTo slew gets you to the vicinity of the Horsehead Nebula (B33), you should switch to the slower speeds for centering. Using the \u003cstrong\u003e8x or 16x speeds\u003c\/strong\u003e will help you frame the object correctly, and then the \u003cstrong\u003e1x or 2x speeds\u003c\/strong\u003e are ideal for placing the faint nebula perfectly in the field of view of your eyepiece or camera without overshooting.\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\u003eObject Database\u003c\/td\u003e\n\u003ctd\u003eGoToNova® (\u0026gt;120,000 objects)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor\u003c\/td\u003e\n\u003ctd\u003e32-bit ARM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLCD Display\u003c\/td\u003e\n\u003ctd\u003e8-line, Backlit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlew Speeds\u003c\/td\u003e\n\u003ctd\u003e9 speeds (1x, 2x, 8x, 16x, 64x, 128x, 256x, 512x, MAX)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB Port\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePC Control\u003c\/td\u003e\n\u003ctd\u003eYes (via USB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePC Protocol\u003c\/td\u003e\n\u003ctd\u003eASCOM Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirmware Upgradeable\u003c\/td\u003e\n\u003ctd\u003eYes (via USB)\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\"\u003eGo2Nova® 8401 Hand Controller\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\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/iOptron_HC_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/ioptron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eiOptron 2-Year Telescope and 1-Year Accessory Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"iOptron","offers":[{"title":"Default Title","offer_id":52917303410973,"sku":"IOP-8401","price":461.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/iOptron-Go2Nova-Handset-8401-1_b8b0b567-35e7-42f2-8521-1dd1b87467fa.jpg?v=1789142390","url":"https:\/\/davidastro.com\/fr\/products\/ioptron-8401","provider":"David Astro","version":"1.0","type":"link"}