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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:28 
Transit: 12:14 
Sunset: 17:00
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What's Visible Now • Tonight Timeline
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All Constellations » Orion » 

HR1578

Above the horizon.  Rise: 13:19 | Tran: 19:44 | Set: 2:13
Alt: 30.38°   Az: 124.06°   Direction: South-East

HR1578 is a hypergiant star of spectral class A0 in the constellation of Orion.

HR1578 visual magnitude is 6.5. Because of its faintness, HR1578 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of HR1578 star
DSS2 image of HR1578. The red arrow shows the motion of HR1578 during the next 100000 years (-6.67 arcmin in Right Ascension and -15.00 arcmin in declination);

Celestial Coordinates

Apparent

04h 57m 18s
+05° 26’ 14”
20h 56m 27s
01h 53m 46s

J2000

04h 55m 58s
+05° 23’ 57”

Galactic Coordinates

193.77°
-22.63°

Finder Chart

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Finder chart for HR1578.

Magnitude, Color, Spectral Class

6.5
Hypergiant

0.62
A0V
9882K

The red dot in the diagram below shows where HR1578 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1578. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR1578 is distant 489.49 light years from the Sun and it is moving far from the Sun at the speed of 22 kilometers per second.

150.15
489.49
22 km/s
-0.004 arcsec/y
-0.009"/y

Alternative Designations

SAO112220
SAO112220

Visibility from Your Location

Today's HR1578 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 84.6°
Max altitude: 44.0°
Azimuth: 275.4°