Your guide to the Solar System and the night sky
Please donate now to help keep TheSkyLive ads-free. This site cannot run without your voluntary donations.
🌎  Greenwich, United Kingdom [change]


HR304 is a variable giant star in the constellation of Tucana.

HR304 visual magnitude is 6.21. Because of its reltive faintness, HR304 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 HR304:

HR304 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR304

HR304 is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR304 are provided in the following table:

01h 02m 42s
-65° 27’ 21”

The simplified sky map below shows the position of HR304 in the sky:

Finder chart HR304 star
Simplified finder chart for HR304.

Visibility of HR304 from your location

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

HR304 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR304

The image below is a photograph of HR304 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 HR304 is 0.004 arcsec per year in Right Ascension and 0 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR304 star
DSS2 image of HR304. The red arrow shows the motion of HR304 during the next 100000 years (6.67 arcmin in Right Ascension and 0.00 arcmin in declination);

Distance of HR304 from the Sun and relative movement

HR304 is distant 802.96 light years from the Sun and it is moving far from the Sun at the speed of 35 kilometers per second.

246.31 pc
802.96 ly
35 km/s
0.004 arcsec/year

Spectral properties of HR304

HR304 belongs to spectral class M2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR304 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR304. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR304