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Pixel Scale & Sampling

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µm
mm
arcsec

Pixel scale

1.238 arcsec/px

Sampling

2.02 px

near nyquist

Nyquist focal length

792 mm

1.25 arcsec/px target

Detector sampling geometry

2.02 px/FWHM

The seeing blur footprint is drawn over the detector grid at the current sampling ratio.

FWHM 2.02 px

Pixel scale

1.238 arcsec/px

Seeing disk

2.02 px/FWHM

Sampling class

near nyquist

Open Source and Easy to Use Elsewhere

This tool is open source and the underlying logic is fully transparent. You can inspect the code, understand the calculations, and contribute improvements. If you want to use the tool in your own website, course page, or learning platform, you can also embed it directly and start from a ready-made iframe setup for this exact tool.

Open source: review the implementation and see how the results are produced.

Embeddable: preview this tool, copy the iframe, and use it in your own site or LMS.