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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:51  
clear_day Transit: 11:50  
SunsetSet: 15:49 south
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All Constellations »  Orion »  Deep Sky Objects » 

NGC 1990 (Alnilam) - Star in Orion

Altitude: -20.6°   Azimuth: 295.8°   Direction: West-North-West

NGC 1990 is a Star in the Orion constellation. NGC 1990 is situated close to the celestial equator and, as such, it is at least partly visible from both hemispheres in certain times of the year.

NGC 1990

NGC 1990 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -20.6°
Azimuth: 295.8°
Direction: West-North-West

See also NGC 1990 rise and set times.

Given its visual magnitude of 1.69, NGC 1990 is visible to the naked eye under dark skies, might require a small binocular from light polluted areas.

Available Resources for NGC 1990 (Alnilam) - Star in Orion

Photometric information of NGC 1990

The following table lists the magnitude of NGC 1990 in different bands of the electomagnetic spectrum (when available), from the B band (445nm wavelength, corresponding to the Blue color), to the V band ( 551nm wavelength, corresponding to Green/Yellow color), to the J, H, K bands (corresponding to 1220nm, 1630nm, 2190nm wavelengths respectively, which are colors not visible to the human eye).


For more information about photometry in astronomy, check the photometric system article on Wikipedia.

Digitized Sky Survey image of NGC 1990

The image below is a photograph of NGC 1990 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).

Image of NGC 1990 (Alnilam) - Star in Orion star
DSS2 image of NGC 1990 in the Red band.

Celestial coordinates and finder chart of NGC 1990

Celestial coordinates for the J2000 equinox of NGC 1990 are provided in the following table:

05h 36m 12s
-01° 12’ 06”

The simplified sky charts below show the position of NGC 1990 in the sky. The first chart has a field of view of 60° while the second one has a field of view of 10°.

Finder chart NGC 1990 (Alnilam) - Star in Orion star
Simplified finder chart for NGC 1990 (Alnilam) - Star in Orion.

Finder chart NGC 1990 (Alnilam) - Star in Orion star
Simplified finder chart for NGC 1990 (Alnilam) - Star in Orion.

Rise ans set times of NGC 1990 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 NGC 1990 (Alnilam) - Star in Orion 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: 91.2°
Max altitude: 37.3°
Azimuth: 268.8°