Observe corona-borealis in the sky in real time in 3D. You will also be able to see the planets of the solar system, the Sun and the Moon. Navigate freely in the sky by clicking on the keys to move forward or backward in time. Discover its position and display the azimuth grid to find your way in the sky. The « screen » feature allows you to take a picture of the sky and download the image.

LUNDI 24 AOÛT 2026 À 02:42 UTC+2

Observation of the Corona Borealis constellation

Visualize in real time the position of the Corona Borealis constellation in the sky.

General presentation

constellations.corona-borealis.presentation

Shape of the Corona Borealis constellation

constellations.corona-borealis.shape

Stars of the Corona Borealis constellation

StarMagnitudeDistanceEquatorial position J2000Current Equatorial PositionCurrent Horizontal Position at MarseilleLink
Alphecca2.2375 light yearsRight ascension :
15ʰ34ᵐ41.268ˢ
Declination : 26°42'41.268″		Right ascension :
15ʰ35ᵐ49.0851347108ˢ
Declination :
26°37′47.1072098147″		Azimut :
125.49040977214717°
Altitude :
2.171521755265435°
Nusakan3.65112 light yearsRight ascension :
15ʰ27ᵐ49.732ˢ
Declination : 29°6'49.732″		Right ascension :
15ʰ28ᵐ56.6547113006ˢ
Declination :
29°0′53.4434222296″		Azimut :
128.2073731404844°
Altitude :
2.965805210345045°
Gamma Coronae Borealis3.8146 light yearsRight ascension :
15ʰ42ᵐ44.566ˢ
Declination : 26°17'44.566″		Right ascension :
15ʰ43ᵐ52.5751323114ˢ
Declination :
26°12′46.8087831479″		Azimut :
123.86815519499577°
Altitude :
3.0672103450939443°
Delta Coronae Borealis4.57167 light yearsRight ascension :
15ʰ49ᵐ35.647ˢ
Declination : 26°4'35.647″		Right ascension :
15ʰ50ᵐ43.3440825816ˢ
Declination :
25°59′22.9829683549″		Azimut :
122.58452941048849°
Altitude :
3.945079739229882°
Epsilon Coronae Borealis4.15221 light yearsRight ascension :
15ʰ57ᵐ35.251ˢ
Declination : 26°52'35.251″		Right ascension :
15ʰ58ᵐ42.136474694ˢ
Declination :
26°48′13.2174239294″		Azimut :
121.84373202204756°
Altitude :
5.764644088801151°
Iota Coronae Borealis4.96372 light yearsRight ascension :
16ʰ1ᵐ26.56492ˢ
Declination : 29°51'26.56492″		Right ascension :
16ʰ2ᵐ31.3384735911ˢ
Declination :
29°46′46.2443868886″		Azimut :
123.32488265247561°
Altitude :
8.485464051825433°
Theta Coronae Borealis4.06380 light yearsRight ascension :
15ʰ32ᵐ55.78214ˢ
Declination : 31°21'55.78214″		Right ascension :
15ʰ34ᵐ.7894829737ˢ
Declination :
31°16′20.5782971496″		Azimut :
128.87077846558543°
Altitude :
5.386415374356643°