We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Donate now and help us to keep this site free and ad-free!
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:38  
clear_day Transit: 11:46  
SunsetSet: 15:54 south
sunny DaytimeWhat's Visible Now?
All Constellations » Camelopardalis » 

HR1242

Altitude: 25.6°   Azimuth: 337.9°   Direction: North-North-West

HR1242 is a hypergiant star in the constellation of Camelopardalis.

HR1242 visual magnitude is 5.06. Because of its reltive faintness, HR1242 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 HR1242:

5.06
Hypergiant

HR1242 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 25.6°
Azimuth: 337.9°
Direction: North-North-West

Celestial coordinates and finder chart of HR1242

HR1242 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR1242 are provided in the following table:

04h 04m 27s
+59° 09’ 20”
145.51°
5.03°
Camelopardalis

The simplified sky map below shows the position of HR1242 in the sky:

Finder chart HR1242 star
Simplified finder chart for HR1242.

Visibility of HR1242 from your location

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

HR1242 is circumpolar and transits at 23:30 UTC (altitude: 82.3°)

Digitized Sky Survey image of HR1242

The image below is a photograph of HR1242 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 HR1242 is -0.002 arcsec per year in Right Ascension and 0.001 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR1242 star
DSS2 image of HR1242. The red arrow shows the motion of HR1242 during the next 100000 years (-3.33 arcmin in Right Ascension and 1.67 arcmin in declination);

Distance of HR1242 from the Sun and relative movement

HR1242 is distant 1,734.04 light years from the Sun and it is moving towards the Sun at the speed of 20 kilometers per second.

531.91 pc
1,734.04 ly
-20 km/s
-0.002 arcsec/year
0.001 arcsec/year

Spectral properties of HR1242

HR1242 belongs to spectral class F0 and has a luminosity class of II corresponding to a hypergiant star.

-3.57
F0II
6389K

The red dot in the diagram below shows where HR1242 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR1242. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1242

SAO24384
SAO24384