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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

Easetype

How easy a star is to see: "easy" (at least a magnitude brighter than the sky's limit), "needs dark adaptation" (within a magnitude of the limit: give the eyes twenty minutes without a light) or "not tonight" (above the horizon but fainter than the limit, or in the day).

Import it

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

Definition

type Ease = "easy" | "needs dark adaptation" | "not tonight";

Examples

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

const how: Ease = "easy";
console.log(how);
easy

What it prints (run when this page was built)

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