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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 · Printable sheets: connect-the-dots constellations, the constellations for a latitude, a star wheel to cut out and a sky map for each month

RegionEntrytype

One constellation as a place sees it.

Import it

import type { RegionEntry } from "@johnmorrisdotca/hoshi-stars/sheets";

Definition

interface RegionEntry {
    constellation: Constellation;
    standing: Standing;
    culmination: number;
    bestMonth: number;
    fame: number;
}

Members

NameTypeDescription
constellationConstellation
standingStanding
culminationnumber

How high the middle of its figure climbs at the meridian, in degrees (negative: it never rises).

bestMonthnumber

The month (1 to 12) in which it is highest in the evening sky, about 21:00 by the Sun; 0 when it never rises.

famenumber

How well known it is from here: the brightness of its stars and the size of its figure, less the more it hugs the horizon. Bigger is better known.

Examples

import { skyForLatitude, type RegionEntry } from "@johnmorrisdotca/hoshi-stars/sheets";

const best: RegionEntry = skyForLatitude(45)[0];
console.log(best.constellation.name, best.standing, Math.round(best.culmination));
Ursa Major always 76

What it prints (run when this page was built)

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