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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:51  
clear_day Transit: 11:50  
SunsetSet: 15:49 south
sleep NighttimeWhat's Visible Now?
All Constellations » Andromeda » 


Altitude: 19.2°   Azimuth: 285.8°   Direction: West-North-West

HR178 is a variable star in the constellation of Andromeda.

HR178 visual magnitude is 6.04. Because of its reltive faintness, HR178 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR178:


HR178 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 19.2°
Azimuth: 285.8°
Direction: West-North-West

Celestial coordinates and finder chart of HR178

HR178 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR178 are provided in the following table:

00h 41m 35s
+24° 37’ 45”

The simplified sky map below shows the position of HR178 in the sky:

Finder chart HR178 star
Simplified finder chart for HR178.

Visibility of HR178 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's HR178 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 65.4°
Max altitude: 63.1°
Azimuth: 294.6°

Digitized Sky Survey image of HR178

The image below is a photograph of HR178 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR178 is 0.107 arcsec per year in Right Ascension and -0.016 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR178 star
DSS2 image of HR178. The red arrow shows the motion of HR178 during the next 1000 years (1.78 arcmin in Right Ascension and -0.27 arcmin in declination);

Distance of HR178 from the Sun and relative movement

HR178 is distant 461.76 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

141.64 pc
461.76 ly
-15 km/s
0.107 arcsec/year
-0.016 arcsec/year

Spectral properties of HR178

HR178 belongs to spectral class A7


The red dot in the diagram below shows where HR178 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR178. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR178