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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 · What you can see tonight: the stars above the horizon of a place and a moment that the Sun's light, the sky's darkness and the air still let through, with the twilight, each star's altitude and azimuth and how easy it is to see

Twilighttype

How dark the sky is by the Sun's altitude: "day" (the Sun's upper edge up, -0.833 degrees or higher), "civil" twilight (down to -6), "nautical" (down to -12), "astronomical" (down to -18) and "night".

Import it

import type { Twilight } from "@johnmorrisdotca/hoshi-stars/tonight";

Definition

type Twilight = "day" | "civil" | "nautical" | "astronomical" | "night";

Examples

import type { Twilight } from "@johnmorrisdotca/hoshi-stars/tonight";

const now: Twilight = "astronomical";
console.log(now);
astronomical

What it prints (run when this page was built)

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