Menu

Beta Coronae Australis — Star in Corona Australis

Magnitude 4.1m Star Corona Australis (CrA) Visible
Star Map
+ List + Plan

Observe

1Physical Properties

Magnitude 4.11
Spectral Type K0II bright giant
Star Color Red (B-V 1.20)
Distance 204 ly

2Position & Identifiers

RA 19h 10m 01.7s
Dec -39° 20' 27.0"
Constellation Corona Australis (CrA)
HR 7259
HIP 94160
HD 178345
SAO 211005
Bayer Beta
SIMBAD

3How easy to spot?

Sign in and configure your equipment and default location to see a personalized row.
Equipment Bortle 3 Bortle 4 Bortle 5
Naked eye Medium+ Medium+ Medium
50mm finder Easy Easy Easy
150mm scope Easy Easy Easy
Easy Medium Hard Very hard Impossible

Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs

4Visibility

Set a location in User Settings to see visibility data.

Best season Jun – Aug (peak: Jul)

5Survey Image

Loading survey image…

Explore

7

Size Comparison

Querying VizieR for stellar data…
8

Compare Stars

9

Spectral Classification

10

Hertzsprung-Russell Diagram

Loading HR diagram…
Read: The Hertzsprung-Russell Diagram — Reading Stars Like a Map
11

Stellar Lifecycle

12

Blackbody Spectrum

13

Stellar Absorption Spectrum

Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.

14

Stellar Fusion

Discover

15

Light Travel Time Machine

16

Relativistic Travel

Nearby in the Sky

Other targets within a few degrees — pan your scope a little and keep exploring.

Visibility scores assume a 150 mm Newton at Bortle 4.

NGC 6768
Hard+
Elliptical galaxy
Galaxy mag 12.85 1.5° Corona Australis
Gamma CrA
HIP 93825; Gamma Coronae Australis
Medium
Tight double — a rewarding split at 1.6″
Double Star mag 4.93 2.4° Corona Australis
C68
NGC 6729
Hard+
Diffuse nebula
Diffuse Nebula mag 10.0 2.9° Corona Australis
NGC 6723
Easy
Globular cluster — dense ball of ancient stars
Globular Cluster mag 7.3 3.4° Sagittarius
Show on Map

Explore Nightbase

Related knowledge, tools, and stories — no observation planning required.

Arthur Eddington
1919 eclipse expedition confirming general relativity; first theory of stellar interiors; the Eddington limit
Biography
The Hertzsprung-Russell Diagram — Reading Stars Like a Map
The HR diagram turns the night sky into a physics map: every named star has a spot, every spot tells you mass, age, and fate. A guide for amateur observers.
Article
Corona Australis
Mythology, bright stars, and deep-sky highlights.
Constellation
}