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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 · A constellation in 3D: its stars placed in space from their parallaxes, with the range each error allows and the Earth's lines of sight

distanceQualityTablefunction

How many stars of each figure have each quality of distance: the table that says which constellations are worth looking at in space today.

Import it

import { distanceQualityTable } from "@johnmorrisdotca/hoshi-stars/constellation-3d";

Definition

function distanceQualityTable(): Array<{ abbreviation: string; name: string; stars: number; counts: Record<DistanceQuality, number>; }>

Returns

{ abbreviation: string; name: string; stars: number; counts: Record<DistanceQuality, number>; }[]

One row for each of the 88 constellations, in the order of constellations().

Examples

import { distanceQualityTable } from "@johnmorrisdotca/hoshi-stars/constellation-3d";

const orion = distanceQualityTable().find((row) => row.abbreviation === "Ori")!;
console.log(orion.stars, orion.counts);
8 { good: 0, fair: 1, rough: 6, none: 1 }

What it prints (run when this page was built)

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