QHYCCD QHY5III174M

Type: Scientific · Astro
Sensor: Sony IMX174 (mono)

Response

Native mono responseestimatedQHYCCD QHY5III174M · Mono174 sensor response, ASI Mini manual page 7

Digitized manufacturer reference for ASI174MM Mini. Other cameras using this sensor can have different filters and windows.

mono

Astro mode

Emission-line overlay on the active single-profile plot. Values are the source's own native samples (or a labelled linear interpolation).

About this spectrum2 notes

Warning: Response scope is unknown; do not interpret this response as a bare-sensor measurement. Dataset interpretation
Warning: Estimated response; not a primary measurement. Sources and attribution

Source & details

Source category: estimated: Estimated response: not a primary measurement (e.g. diffraction-grating closed-form recovery, model prediction). Independent of profile_type and quality/confidence grades.
Type: estimated: Estimated response, not a direct measurement; quality and confidence are assessed separately.
Quality: unassessed: Quality has not been assessed; no grade is inferred. Raster graph digitization; source measurement uncertainty is not documented.
Confidence: unassessed: Confidence has not been assessed; no confidence level is inferred. Exact chip and mode documented; complete camera equivalence is not established.

Author: ZWO
Source: Mono174 sensor response, ASI Mini manual page 7 (link)
Source category: estimated (estimated response; not a primary measurement)
Methodology: digitized from manufacturer graph
As-is: Samples rendered verbatim: no smoothing, no interpolation, no zero-padding, no gap bridging in the browser. Documented null sparse cells render as visible gaps.
Uncertainty: Extraction tolerance is documented in the downloadable JSON; it does not quantify source measurement uncertainty.
Optical configuration: manufacturer-reference:zwo-imx174-mono-ambiguous-scale (other) — Manufacturer sensor reference
Normalisation: none
Response unit / scale: percent / unknown
Sample count: 75 samples from 310–1050 nm
Profile ID: manufacturer-curve:zwo-imx174-mono-ambiguous-scale@1
Profile checksum: sha256:21ba1639a442…
Processing: {"method":"color-threshold source trace center at nearest pixel columns; rejects isolated pixels and long grid runs; no rescaling, interpolation or extrapolation","script":"scripts/extract-astro-research-curves.py","image_size_px":[1191,1684],"image_sha256":"fa9b0d8b6cdba2ab0e3ce1672712b3c3b27fac67eafc4ce6a1e963345985e35b","pdf_page":7,"axes":{"x_pixel":[342,909],"y_pixel":[432,190],"wavelength_nm":[300,1100],"response":[0,80]},"sample_step_nm":10,"channels":[{"channel":"mono","color":"black","threshold":125,"minimum_trace_pixels":1}],"maximum_detected_trace_width_px":7,"raster_tolerance_px":5,"wavelength_raster_tolerance_nm":7.0547,"response_raster_tolerance":1.6529,"source_measurement_uncertainty":"unknown"}
Scientific notes: Digitized manufacturer reference for ASI174MM Mini. Other cameras using this sensor can have different filters and windows.
Citation: Mono174 sensor response, ASI Mini manual page 7. ZWO. https://i.zwoastro.com/zwo-website/manuals/ZWO_ASIMini_Manual_EN.pdf
Known limitations: Caption calls this a relative QE curve, while the vertical axis says quantum efficiency (%). The scale is ambiguous and remains unknown.
Published values are preserved on the 0-to-80 axis without normalization or interpretation as measured absolute QE.
The manual does not establish whether the plotted response excludes the camera window or sensor cover glass; source scope remains unknown.
The very low long-wavelength tail can be indistinguishable from the baseline; unobserved pixels remain missing.
Digitized manufacturer reference for ASI174MM Mini. Other cameras using this sensor can have different filters and windows.

Graph tools

Inspect, zoom, export, and share the current chart. Native samples only — no interpolation, no averaging.

Channels

Zoom (nm)FromTo

Sensor information

imaging: Sony IMX174 (mono) · also in 10 other documented cameras

Other cameras in the same sensor family (10)

PlayerOne Astronomy Apollo-C — color, imaging
PlayerOne Astronomy Apollo-M — mono, imaging
QHYCCD QHY174C — color, imaging
QHYCCD QHY174M — mono, imaging
QHYCCD QHY5III174C — color, imaging
The Imaging Source DFK 33UX174 — color, imaging
The Imaging Source DMK 33UX174 — mono, imaging
ZWO ASI174MC — color, imaging
ZWO ASI174MM — mono, imaging
ZWO ASI174MM Mini — mono, imaging

Sensor-family links do not mean the complete cameras have identical spectral responses.

Source and sensor identification

QHY planetary specification table identifies the QHY5III174M with Sony IMX174.

Manufacturer source

Sensor · Sony IMX174LLJ/LQJ (mono/color)

Format: Type 1/1.2
Pixel size: 5.86 µm
Technology: Back-illuminated CMOS
Sensor readout: Global shutter

Specifications and source

Sensor pixel specification: Sony effective pixel array
Resolution: 1936 × 1216 pixels · 2.35 MP
Source: Sony IMX174LLJ/IMX174LQJ flyer

The cited flyer covers both monochrome and color devices and reports their sensitivity modes separately.

Camera specifications

pixel size um: 5.86

Data details

Evidence status: verified
Manufacturer source: Product documentation
Camera-to-sensor note: QHY planetary specification table identifies the QHY5III174M with Sony IMX174.
imaging: Sony IMX174 (mono) · Sensor page