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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: 7:48  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sleep NighttimeWhat's Visible Now?
All Constellations » Cetus » 

HR115

Altitude: 18.6°   Azimuth: 210.9°   Direction: South-South-West

HR115 is a giant star in the constellation of Cetus.

HR115 visual magnitude is 6.14. Because of its reltive faintness, HR115 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 HR115:

6.14
Giant

HR115 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 18.6°
Azimuth: 210.9°
Direction: South-South-West

Celestial coordinates and finder chart of HR115

HR115 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 HR115 are provided in the following table:

00h 29m 51s
-14° 51’ 51”
99.58°
-76.75°
Cetus

The simplified sky map below shows the position of HR115 in the sky:

Finder chart HR115 star
Simplified finder chart for HR115.

Visibility of HR115 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 HR115 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: 104.9°
Max altitude: 23.7°
Azimuth: 255.1°

Digitized Sky Survey image of HR115

The image below is a photograph of HR115 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 HR115 is 0.144 arcsec per year in Right Ascension and -0.032 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR115 star
DSS2 image of HR115. The red arrow shows the motion of HR115 during the next 1000 years (2.40 arcmin in Right Ascension and -0.53 arcmin in declination);

Distance of HR115 from the Sun and relative movement

HR115 is distant 138.02 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

42.34 pc
138.02 ly
3 km/s
0.144 arcsec/year
-0.032 arcsec/year

Spectral properties of HR115

HR115 belongs to spectral class F2 and has a luminosity class of III corresponding to a giant star.

3.01
F2III
7044K

The red dot in the diagram below shows where HR115 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR115. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR115

SAO147307
SAO147307