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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 · Nearby stars: Proxima Centauri, Barnard's Star and about 5,600 more, with distance and error

NearbyPositionSourcetype

Where a star's position comes from: a 2MASS source found for it (good to a fraction of an arc-second), or the Yale catalogue's own position (taken to J2000 from 1900, good to arc-seconds at best, an arc-minute at worst).

Import it

import type { NearbyPositionSource } from "@johnmorrisdotca/hoshi-stars/nearby";

Definition

type NearbyPositionSource = "2MASS" | "GCTP";

Examples

import { nearbyStarByName, type NearbyPositionSource } from "@johnmorrisdotca/hoshi-stars/nearby";

const source: NearbyPositionSource = nearbyStarByName("Proxima Centauri")!.positionSource;
console.log(source);
2MASS

What it prints (run when this page was built)

View sourceEdit on GitHubMade from the source of @johnmorrisdotca/hoshi-stars 0.7.0.