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Astronomy Pixel Plate Scale Calculator

Online astronomy pixel plate scale calculator. Idealized astronomical model with displayed units. Seeing, extinction, instrument losses or cosmological effects apply only when explicitly included.

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astronomy pixel plate scale calculator online

Use astronomy pixel plate scale calculator online for pixel um, focal mm. Idealized astronomical model with displayed units. Seeing, extinction, instrument losses or cosmological effects apply only when explicitly included.

How to use it

Enter pixel um. Set focal mm. Select Calculate and check the labeled output. Copy or download the JSON result.

Options and example settings

OptionChoices / valueExample default
pixel umMain input. Positive values. 3.76
focal mmOption. Positive values. 1000

Calculation method

arcsec_per_pixel = 206.264806247*pixel_um/focal_mm (^ means exponentiation; trig functions ending in d use degrees).

Worked examples

Apply astronomy pixel plate scale calculator to the case below, keeping the displayed units and assumptions. Idealized astronomical model with displayed units. Seeing, extinction, instrument losses or cosmological effects apply only when explicitly included.

Astronomy Pixel Plate Scale Calculator — worked case

Settings: focal mm: 1000

Input:

3.76

Calculated result for these inputs:

Output:

{
  "arcsec_per_pixel": 0.7755556714887198
}

Choose the right tool

Use telescope calculators for focal lengths and angular scale, magnitude tools for logarithmic brightness relationships, and orbit tools for the specified gravitational model. Check whether a distance is in parsecs, light-years or astronomical units.

Limitations and common mistakes

  • Idealized astronomical model with displayed units. Seeing, extinction, instrument losses or cosmological effects apply only when explicitly included.
  • Use the displayed unit in every field. Ratios and percentages are different inputs; percent fields use values such as 25 rather than 0.25.

Frequently asked questions

How can I use astronomy pixel plate scale calculator online?

Enter pixel um. Set focal mm. Select Calculate and check the labeled output. Copy or download the JSON result.

Where is my input processed?

The bundled tool processes input in your browser. It does not upload tool input to a conversion service. Other site plugins, analytics, advertising and browser extensions may have separate behavior.

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