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public LocationGreenwich, UK
Sunrise: 4:42 
Transit: 13:00 
Sunset: 21:18
sunny   (Daytime)   What's Visible Now?


Below the horizon.  Rise: 3:01 | Tran: 8:24 | Set: 13:47
Altitude: -41.7°   Azimuth: 329.3°   Direction: North-North-West

HR404 is a double main-sequence star of spectral class F3 in the constellation of Cetus.

HR404 visual magnitude is 5.91. Because of its faintness, HR404 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 HR404

Finder chart HR404 star
Simplified finder chart for HR404.

HR404 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 HR404 are provided in the following table:

01h 24m 20s
-06° 54’ 52”
Image of HR404 star
DSS2 image of HR404. The red arrow shows the motion of HR404 during the next 10000 years (7.00 arcmin in Right Ascension and 0.50 arcmin in declination);

Key facts about HR404


and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR404 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR404. Attribution: Richard Powell / CC BY-SA

HR404 star system properties

HR404 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR404 double sysyem:

0.2 arcsec

Distance of HR404 from the Sun and relative movement

HR404 is distant 145.99 light years from the Sun and it is moving far from the Sun at the speed of 32 kilometers per second.

44.78 pc
145.99 ly
32 km/s
0.042 arcsec/year
0.003 arcsec/year

Alternative designations of HR404


Visibility of HR404 from your location

Today's HR404 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 96.9°
Max altitude: 31.6°
Azimuth: 263.1°