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
Your support keeps us free & ad-free » Donate
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:52  
clear_day Transit: 12:11  
SunsetSet: 17:31
wb_twilight Astronomical TwilightWhat's Visible Now?
All Constellations » Hydra » 


Altitude: -8.1°   Azimuth: 263.2°   Direction: West

HR3785 is a hypergiant star in the constellation of Hydra.

HR3785 visual magnitude is 6.14. Because of its reltive faintness, HR3785 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR3785 is 0.014 arcsec per year in Right Ascension and -0.02 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3785 star
DSS2 image of HR3785. The red arrow shows the motion of HR3785 during the next 10000 years (2.33 arcmin in Right Ascension and -3.33 arcmin in declination);

Key facts about HR3785


HR3785 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -8.1°
Azimuth: 263.2°
Direction: West

Celestial coordinates and finder chart of HR3785

HR3785 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 HR3785 are provided in the following table:

09h 31m 38s
-10° 33’ 07”

The simplified sky map below shows the position of HR3785 in the sky:

Finder chart HR3785 star
Simplified finder chart for HR3785.

Visibility of HR3785 from your location

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

Today's HR3785 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 100.6°
Max altitude: 28.0°
Azimuth: 259.4°

Distance of HR3785 from the Sun and relative movement

HR3785 is distant 176.89 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

54.26 pc
176.89 ly
-18 km/s
0.014 arcsec/year
-0.02 arcsec/year

Spectral properties of HR3785

HR3785 belongs to spectral class F0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where HR3785 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3785. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3785