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Hoshi Stars星

The stars you can see without a telescope, with names, colours and distances; the 88 constellations with their lines and boundaries; the Messier objects; and seven map projections to draw them on.

Hoshi is the Japanese word 星 for a star. About the name

Contents

Reference · The sky out to a distance, in layers: the stars and galaxies nearer than 10, 50, 100, 500 or 1,000 light-years, each distance band its own colour, the ones with an uncertain distance kept apart, and none placed at a guess

limitAtSliderfunction

The limit at a slider's position, 0 to 1, on a scale where each step is the same ratio (4 light-years to 3 million). Position 1 is all (Infinity).

Import it

import { limitAtSlider } from "@johnmorrisdotca/hoshi-stars/distance";

Definition

function limitAtSlider(position: number): number

Parameters

NameTypeDescription
positionnumber

0 to 1.

Returns

number

The limit in light-years.

Examples

import { limitAtSlider } from "@johnmorrisdotca/hoshi-stars/distance";

console.log(Math.round(limitAtSlider(0)), Math.round(limitAtSlider(0.5)), limitAtSlider(1));
4 3464 Infinity

What it prints (run when this page was built)

View sourceEdit on GitHubMade from the source of @johnmorrisdotca/hoshi-stars 0.47.0.