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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 · How well each value of a star is known: the source and error of its position, magnitude, colour, parallax and proper motion, and a grade A, B or C

StarGradetype

The grade of a star: A a distance known to under 5% and a modern position, B a distance known to 20% or better (or one known to under 5% with a coarse position), C anything else: a position and a rough or missing distance.

Import it

import type { StarGrade } from "@johnmorrisdotca/hoshi-stars/accuracy";

Definition

type StarGrade = "A" | "B" | "C";

Examples

import { type StarGrade } from "@johnmorrisdotca/hoshi-stars/accuracy";

const best: StarGrade = "A";
console.log(best);
A

What it prints (run when this page was built)

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