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QHY 174GPS CMOS Cooled Camera (1/1.2") 5.86µm - GPS Location

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The QHY174GPS camera uses the 1/1.2-inch SONY IMX174 CMOS sensor with global shutter, 5.86um pixels,138FPS@1920*1200, high QE of 78%, and low read noise of 3-5e-. Unlike a rolling shutter, a global shutter guarantees that the exposure time for the whole image area is uniform, beginning and ending at exactly the same time. This type of shutter is ideal for high precision time-domain applications

The QHY174GPS has a unique built-in GPS module that can sync with the atomic clock signals received from GPS satellites. The QHY174GPS can record the start and end of exposure time with 1us precision anywhere on earth. The QHY174GPS was selected by the NASA New Horizons Team to successfully captured the MU69 occultation in the Summer of 2017

The IMX174 sensor normally has significant amplifier glow which will affect the entire image area in exposures of any significant length. However, QHYCCD has successfully incorporated our unique amplifier glow reduction technology into the design of the QHY174GPS camera to yield excellent results with this sensor.

The QHY174GPS is an ideal camera for high precision time based scientific projects. It features two working modes. In 'Free Running' Mode, the hardware records GPS time and internal 1µm calibrated time into the image header of each frame. In 'Multi-Site Sync' Mode, users can control multiple cameras that are thousdands of miles apart so that they start exposures at exactly the same time (within a micro second)

In the amatuer domain, the QHY174GPS may be used to accurately set ephemerides data for derotation of images.


Model QHY174GPS (Mono)

Sensor 2mega pixel 1/1.2" sensor

AR Coating On Sensor AR+AR High Quality Multi-Layer Anti-Reflection Coating

Pixel Size 5.86µm x 5.86µm

Effective Pixel Area 1920 x 1200 pixels

Effective Pixels 2 megapixels

Effective Image Area 11.25mm x 7.03mm

Fullwell >32ke-

AD Sample Depth 12bit/10bit (output as 16bit and 8bit)

Full Frame Rate and ROI Frame Rate

138FPS@1920 x 1080

260FPS@960 x 600

490FPS@800 x 600

Readout Noise 5.5e @ Gain 0% ~ 1.6e @ 100% Gain

Exposure Time Range 5µs-900sec

Anti-Glow Control Yes

Shutter Type Electric Global Shutter

Computer Interface USB3.0

Time Stamp Accuracy 1 micro second of GPS UTC Clock

Built-in Image Buffer 512Kbytes Flash Memory. 100Kbytes user-accessible space for stellar ROI frames for analysis of exoplanet investigation, occultations, atmospheric seeing messurement, focus , optic analysis etc. Support 100 x 100 image x 10 frames 50 x 50 image x 40 frames. 25 x 25 image x160 frames 10 x 10 image x 1000 frames (total frame numbers is based on 8bit image)

Cooling System Dual Stage TEC cooler(approx -40C° below ambient)

Anti-Dew Heater Yes Air-proof Chamber with silicon gel tube socket

Telescope Interface M42/0.75 (T2)

Optical Window Type IR cut filter

Back Focal Length 17.5mm

Weight 450g

Other Ports 6PIN RJ11 Guide Port, 4PIN QHYCFW Port.

Power Supply 12V DC input (Required for TEC use)


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