Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]


HR1648 is a variable bright giant star in the constellation of Orion.

HR1648 visual magnitude is 6.17. Because of its reltive faintness, HR1648 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 HR1648:

Bright giant
HR1648 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 40°.

Celestial coordinates and finder chart of HR1648

HR1648 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 HR1648 are provided in the following table:

05h 05m 23s
+01° 10’ 39”

The simplified sky map below shows the position of HR1648 in the sky:

Finder chart HR1648 star
Simplified finder chart for HR1648.

Visibility of HR1648 from your location

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

Today's HR1648 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 88.8°
Max altitude: 39.7°
Azimuth: 271.2°
HR1648 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR1648

The image below is a photograph of HR1648 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 HR1648 is 0.012 arcsec per year in Right Ascension and -0.007 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1648 star
DSS2 image of HR1648. The red arrow shows the motion of HR1648 during the next 10000 years (2.00 arcmin in Right Ascension and -1.17 arcmin in declination);

Distance of HR1648 from the Sun and relative movement

HR1648 is distant 699.57 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

214.59 pc
699.57 ly
17 km/s
0.012 arcsec/year
-0.007 arcsec/year

Spectral properties of HR1648

HR1648 belongs to spectral class C6 and has a luminosity class of II corresponding to a bright giant star.


The red dot in the diagram below shows where HR1648 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1648. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1648