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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.

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Pegasus Flatmaster 150 WiFi -Dimmable EL Flat Panel

SKU PEG-FLTMSTR150L-WiFi
Original price $212.00 - Original price $212.00
Original price
$212.00
$212.00 - $212.00
Current price $212.00
Price Match Policy!
  • Produces uniform flat fields for telescopes up to 150mm (5.9 inches) in aperture
  • Fully dimmable from 0% to 100% for precise exposure control
  • Integrated 2.4GHz Wi-Fi for remote brightness adjustment from any browser
  • Manual push-button for quick, computer-free operation
  • Extremely thin 8mm profile and weighs only 350g
  • Powered and controlled via a single USB cable
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Qualifies for FREE Shipping in CONUS on orders over $350.
  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty
  • Pegasus Astro Flatmaster 150 with Wi-Fi

    The Pegasus Astro Flatmaster 150 delivers a perfectly uniform, dimmable light source across its 150mm (5.9 inches) usable diameter, essential for high-quality flat field calibration. This Wi-Fi enabled panel is engineered for portability, measuring a slim 8mm thick and weighing only 350g. It operates entirely from a single 5V DC USB connection, drawing a maximum of 500mA for simple, efficient power management in any imaging setup.

    The 150mm Panel: Uniform, 0-100% Dimmable Illumination

    At the core of the Flatmaster 150 is an edge-lit panel that provides a consistent source of illumination for instruments with apertures up to 150mm (5.9 inches). Unlike fixed-brightness panels, the Flatmaster 150 offers complete brightness control from 0% to 100%. This granular adjustment is critical for achieving ideal ADU targets without changing camera gain or ISO, and its high-intensity output can produce well-exposed flats in just a few seconds, even through 3nm narrowband filters on an f/7 system.

    Total Remote Control: Wi-Fi, USB, and ASCOM Integration

    The Flatmaster 150 puts brightness control right where you need it. Connect to its built-in 2.4GHz Wi-Fi hotspot from any phone, tablet, or computer to adjust brightness levels through a simple web dashboard—no app installation required. For automated observatory setups, the panel is fully compatible with ASCOM Alpaca, classic ASCOM, and INDI drivers for scriptable control, and allows you to save and recall specific brightness levels for each of your filters. A manual push-button on the unit also allows for quick, stepped brightness changes when you're working away from a computer.

    Field-Ready Design: Just 8mm Thick and 350g

    Designed for convenience, the Flatmaster 150 is constructed from strong, lightweight ABS plastic. Its profile is only 8mm thick, making it easy to store and hold flat against your telescope's objective. The entire unit weighs only 350g and is powered by a single 5V DC USB cable, eliminating the need for a separate, heavy power supply. For transport and protection, a durable carry bag is included, ensuring your flat field solution is always ready to go.

  • What is the maximum telescope aperture for the Flatmaster 150?

    The Flatmaster 150 has a usable illuminated diameter of 150mm (5.9 inches). It is designed to fully illuminate the optical systems of telescopes with apertures up to this size, making it ideal for popular refractors and smaller reflectors.

    How do I control the brightness of the Flatmaster 150?

    You have three ways to control the brightness:

    • Wi-Fi: Connect your phone or computer to the Flatmaster's 2.4GHz Wi-Fi network and use any web browser to access the control dashboard for 0-100% adjustment.
    • USB: Use the included USB cable to connect to a PC running ASCOM or INDI-compatible software for automated control and saving filter presets.
    • Manual Button: Press the button on the panel itself to cycle through different preset brightness levels without needing any other device.

    Can I use the Flatmaster 150 for narrowband imaging with my 4-inch refractor?

    Yes. The Flatmaster 150 is capable of high brightness levels specifically to accommodate the low light transmission of narrowband filters. It can produce sufficient light for short flat frames (e.g., 2-3 seconds) even with 3nm filters on a mid-range focal ratio telescope like an f/7 refractor.

    How is the Flatmaster 150 powered? Do I need a special adapter?

    No special adapter is needed. The Flatmaster 150 is powered entirely by a 5V DC connection through the included USB cable. You can plug it into a computer, a USB hub, or a standard USB power bank, making it very easy to use in the field.

    Does the Flatmaster 150 require an app for Wi-Fi control?

    No app is necessary. The Flatmaster 150 hosts its own Wi-Fi hotspot and web server. You simply connect to its network and navigate to its local address in any standard web browser on your phone, tablet, or laptop to access the control panel.

    Can I use the USB and Wi-Fi controls on the Flatmaster 150 at the same time?

    Yes, the USB and Wi-Fi control interfaces can operate simultaneously. This allows you to have it connected to an observatory control PC for automated sequences while also being able to make quick adjustments from your phone if needed.

  • Usable Diameter 150mm / 5.9 inches
    Dimming Control Yes (0-100%)
    Wi-Fi Control Yes, Access Point or Client (2.4GHz)
    Manual Control Yes, push button for brightness levels
    Power Requirements 5V DC, 500mA max (via USB mini)
    Material Strong black ABS plastic
    Dimensions 250mm Diameter x 8mm Thickness
    Weight 350g
    • FlatMaster 150 Panel

      × 1

    • Carry Bag

      × 1

    • USB2 Type B Cable (1.8m)

      × 1

  • Pegasus Astro 2-Year Warranty