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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
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All Constellations »  Ursa Major »  Deep Sky Objects » 

NGC 2820A - Spiral Galaxy in Ursa Major

Altitude: 27.3°   Azimuth: 11.9°   Direction: North-North-East

NGC 2820A is a Spiral Galaxy in the Ursa Major constellation. NGC 2820A is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere.

The image below is a photograph of NGC 2820A 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 2820A - Spiral Galaxy in Ursa Major star
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DSS2 image of NGC 2820A in the Red band. The green region on the image is a representation of the major (0.47 arcmin) and minor (0.16 arcmin) axes of the object's apparent size.

Key facts about NGC 2820A

NGC 2820A
Galaxy
Ursa Major

NGC 2820A is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 27.3°
Azimuth: 11.9°
Direction: North-North-East

See also NGC 2820A rise and set times.

Given its B magnitude of 14.9, NGC 2820A is visible with the help of a telescope having an aperture of 20 inches (500mm) or more.

Available Resources for NGC 2820A - Spiral Galaxy in Ursa Major

Photometric information of NGC 2820A

The following table lists the magnitude of NGC 2820A 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).

14.9
14.48
13.77
13.76

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

The surface brightess reported below is an indication of the brightness per unit of angular area of NGC 2820A.

22.08 mag/arcsec2

Apparent size of NGC 2820A

The following table reports NGC 2820A apparent angular size. The green area displayed on top of the DSS2 image of NGC 2820A is a visual representation of it.
0.47 arcmin
0.16 arcmin

NGC 2820A - Spiral Galaxy in Ursa Major morphological classification

NGC 2820A - Spiral Galaxy in Ursa Major is classified as Spiral (SAa) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of NGC 2820A - Spiral Galaxy in Ursa Major in the Hubble de Vaucouleurs sequence.

NGC 2820A - Spiral Galaxy in Ursa Major
Visualization of the morphological classification of NGC 2820A - Spiral Galaxy in Ursa Major, Spiral (SAa).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of NGC 2820A

Celestial coordinates for the J2000 equinox of NGC 2820A are provided in the following table:

09h 21m 29s
+64° 14’ 19”

The simplified sky charts below show the position of NGC 2820A 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 2820A - Spiral Galaxy in Ursa Major star
Simplified finder chart for NGC 2820A - Spiral Galaxy in Ursa Major.

Finder chart NGC 2820A - Spiral Galaxy in Ursa Major star
Simplified finder chart for NGC 2820A - Spiral Galaxy in Ursa Major.

Rise and set times of NGC 2820A from your location

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

NGC 2820A - Spiral Galaxy in Ursa Major is circumpolar and transits at 21:29 UTC (altitude: 77.2°)