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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

starWheelPlatefunction

The window plate of a wheel for a latitude as an SVG string measured in millimetres: the horizon as a window, N, E, S and W round it, and the hours round the edge (12 at the top).

Import it

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

Definition

function starWheelPlate(latitude: number, options: { widthMm: number; heightMm: number; lang?: Lang; type?: "kid" | "normal"; }): string

Parameters

NameTypeDescription
latitudenumber

Degrees north (negative south), moved to 20 to 70 as for the disc.

options{ widthMm: number; heightMm: number; lang?: Lang; type?: "kid" | "normal"; }

As for starWheelDisc.

Returns

string

The <svg> markup.

Examples

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

const plate = starWheelPlate(-34, { widthMm: 184.6, heightMm: 200, lang: "en" });
console.log(plate.includes('data-cut="window"'), plate.includes('data-hour="12"'));
true true

What it prints (run when this page was built)

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