Skip to the content

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 faint stars: about 3 million of UCAC4's, to magnitude 12, in sky tiles loaded for the part of the sky you show

FaintTileIdtype

A tile: its level, its band of declination (0 at the south pole) and its column along the band (0 at right ascension 0).

Import it

import type { FaintTileId } from "@johnmorrisdotca/hoshi-stars/faint";

Definition

interface FaintTileId {
    level: number;
    band: number;
    column: number;
}

Members

NameTypeDescription
levelnumber
bandnumber
columnnumber

Examples

import { faintTileBounds, type FaintTileId } from "@johnmorrisdotca/hoshi-stars/faint";

const tile: FaintTileId = { level: 2, band: 17, column: 12 };
console.log(faintTileBounds(tile));
{ raFrom: 60, raTo: 65, decFrom: -5, decTo: 0 }

What it prints (run when this page was built)

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