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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 4:42 
Transit: 12:59 
Sunset: 21:16
sunny   (Daytime)   What's Visible Now?

HR278

Above the horizon.  Circumpolar today
Altitude: 60.1°   Azimuth: 30.6°   Direction: North-North-East

HR278 is a sub-giant star of spectral class A4 in the constellation of Cassiopeia.

HR278 visual magnitude is 6.39. Because of its faintness, HR278 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.

Celestial coordinates and finder chart of HR278

Finder chart HR278 star
Simplified finder chart for HR278.

HR278 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR278 are provided in the following table:

01h 00m 30s
+70° 58’ 59”
123.68°
8.12°
Cassiopeia
Image of HR278 star
DSS2 image of HR278. The red arrow shows the motion of HR278 during the next 10000 years (13.67 arcmin in Right Ascension and 0.00 arcmin in declination);

Key facts about HR278

6.39
Sub-giant

and has a luminosity class of IV corresponding to a sub-giant star.

1.20
A4IV
8748K

The red dot in the diagram below shows where HR278 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR278. Attribution: Richard Powell / CC BY-SA

Distance of HR278 from the Sun and relative movement

HR278 is distant 355.12 light years from the Sun and it is moving far from the Sun at the speed of 6 kilometers per second.

108.93 pc
355.12 ly
6 km/s
0.082 arcsec/year

Alternative designations of HR278

SAO4288
SAO4288

Visibility of HR278 from your location

HR278 is circumpolar and transits at 07:24 UTC (altitude: 70.5°)