HR3805

Above the horizon. Rise: 5:14 | Tran: 10:35 | Set: 15:56

Alt: 4.17° Az: 107.23° Direction: East-South-East

HR3805 is a hypergiant star of spectral class K0 in the constellation of Hydra.

HR3805 visual magnitude is 6.24. Because of its faintness, HR3805 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.

DSS2 image of HR3805. The red arrow shows the motion of HR3805 during the next 10000 years (-5.50 arcmin in Right Ascension and -2.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 09h 34m 33s

Declination -07° 18’ 02”

Hour Angle 19h 04m 44s

Sideral Time 04h 39m 17s

J2000

Right Ascension 09h 33m 20s

Declination -07° 11’ 24”

Galactic Coordinates

Galactic Longitude 241.15°

Galactic Latitude 31.07°

Finder Chart

Simplified finder chart for HR3805.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.24

Class Hypergiant

Absolute magnitude 0.69

Spectral Type K0

Color Index (B-V) 1.17

Temperature 4368K

The red dot in the diagram below shows where HR3805 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3805. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR3805 is distant 420.65 light years from the Sun and it is moving far from the Sun at the speed of 29 kilometers per second.

Distance (parsec) 129.03

Distance (light year) 420.65

Radial Speed 29 km/s

Proper Motion RA -0.033 arcsec/y

Proper Motion Dec -0.012"/y

Alternative Designations

Henry Draper Catalogue HD82674

SAO Catalogue SAO136951

Hipparcos Catalogue HIP46893

Durchmusterung Catalogue BD-06 2939

Visibility from Your Location

Today's HR3805 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 97.3° RISE 5:14

Max altitude: 31.2° TRANSIT 10:35

Azimuth: 262.7° SET 15:56

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Hydra