{"product_id":"wanderer-astro-wanderer-dew-terminator","title":"Wanderer Astro Dew Terminator","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eIntelligent closed-loop dew control\u003c\/li\u003e\n\u003cli\u003eCalculates ambient dew point from temperature and humidity\u003c\/li\u003e\n\u003cli\u003eMultiple, independently configurable PWM output ports\u003c\/li\u003e\n\u003cli\u003eDual-mode operation: Dew Heater or DC Power Switch\u003c\/li\u003e\n\u003cli\u003eFull control via ASCOM driver\u003c\/li\u003e\n\u003cli\u003eCompact, lightweight design under 100g\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\u003eWanderer Dew Terminator\u003c\/h2\u003e\n\u003cp\u003eThe Wanderer Dew Terminator replaces guesswork with a scientific, closed-loop solution to dew prevention. By continuously monitoring ambient temperature and humidity to calculate the precise dew point, it applies only the necessary power to your heaters, keeping optics clear without wasting energy or introducing image-degrading heat. This intelligent controller also doubles as a configurable DC power hub, simplifying cable management for your entire imaging rig.\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\u003eIntelligent Dew Control: Closed-Loop Dew Point Management\u003c\/h3\u003e\n\u003cp\u003eForget manual adjustments. The Wanderer Dew Terminator uses a dedicated ambient sensor to calculate the dew point in real-time and separate probes to monitor the temperature of your dew heaters. This closed-loop system ensures your heaters run at the optimal temperature—just above the dew point—preventing moisture from forming while avoiding the excess heat that can cause tube currents and harm your image quality.\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\u003eFlexible Power Hub: Configurable Heater and DC Switch Ports\u003c\/h3\u003e\n\u003cp\u003eBeyond dew control, the Dew Terminator acts as a versatile power distribution hub. Through its ASCOM driver, you can independently configure each of the multiple PWM output ports to one of two modes. Set them to \"Dew Heater\" for fine-grained power adjustment, or change them to \"Switch\" mode to function as simple on\/off DC outputs for powering your camera, electronic focuser, or other accessories.\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\u003eCompact Integration: Lightweight Design with ASCOM Control\u003c\/h3\u003e\n\u003cp\u003eEngineered to add minimal weight and complexity to your setup, the Wanderer Dew Terminator is exceptionally compact and weighs less than 100g. It can be securely mounted to a dovetail slot using the optional Mini Dovetail Plate or attached directly to any surface with available screw holes. Full integration with your imaging software is managed through a dedicated ASCOM driver, allowing for seamless remote operation.\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\"\u003eHow does the Wanderer Dew Terminator prevent dew more efficiently than a manual controller?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eInstead of applying a constant, user-set power level, the \u003cstrong\u003eWanderer Dew Terminator\u003c\/strong\u003e uses a closed-loop system. It measures ambient temperature and humidity to calculate the exact dew point and only supplies enough power to keep your optics slightly warmer. This prevents overheating, minimizes power consumption, and avoids introducing heat plumes that can degrade image sharpness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Wanderer Dew Terminator to power my astronomy camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. Any of the PWM ports can be set to \u003cstrong\u003e\"Switch\" mode\u003c\/strong\u003e via the ASCOM driver. In this mode, the port functions as a standard DC power output, allowing you to turn connected devices like cameras, filter wheels, or electronic focusers on and off through software.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat software do I need to control the Wanderer Dew Terminator?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Wanderer Dew Terminator is controlled via its dedicated \u003cstrong\u003eASCOM driver\u003c\/strong\u003e. This allows it to integrate with most popular astronomy imaging and observatory control software that supports the ASCOM platform, such as N.I.N.A., Sequence Generator Pro, or Maxim DL.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow would I set up the Wanderer Dew Terminator for my Celestron 8\" SCT with a guide scope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA typical setup would involve two dew heater straps. You would connect the heater for your 8\" SCT to one port and the heater for your guide scope to another. In the ASCOM driver, you would configure both of these ports to \"Dew Heater\" mode. If you have a third port available, you could set it to \"Switch\" mode to power your cooled camera or another accessory.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat are the mounting options for the Wanderer Dew Terminator?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe device is designed for flexible mounting. You can attach it to a standard Vixen or Losmandy-style dovetail bar using an optional \u003cstrong\u003eMini Dovetail Plate adapter\u003c\/strong\u003e, or you can use screws to fix it directly to a mounting plate or other structural part of your telescope rig.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhen imaging the Horsehead Nebula (Barnard 33) on a damp night, how does this device protect my optics?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor a long-exposure target like the Horsehead Nebula, maintaining stable optics is critical. The Wanderer Dew Terminator will gently warm your main lens or mirror just enough to stay above the calculated dew point. This automatic, minimal power application prevents the formation of dew throughout the night without creating disruptive air currents in front of your optics, ensuring your long-exposure images remain sharp.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\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\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Wanderer_Astro_WandererBox_V3_and_Dew_Terminator_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\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\/Wanderer_Astro_WandererBox_V3_and_Dew_Terminator_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\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.wandererastro.com\/en\/h-col-106.html\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\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\/wanderer-astro-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eWanderer Astro 2-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wanderer Astro","offers":[{"title":"Default Title","offer_id":52940497944861,"sku":"WA-WDT","price":265.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/WandererAstro-Wanderer-Dew-Terminator-1_3d6f36fb-62fb-430f-a82a-57941febdeb3.jpg?v=1789564372","url":"https:\/\/davidastro.com\/products\/wanderer-astro-wanderer-dew-terminator","provider":"David Astro","version":"1.0","type":"link"}