NGC 4901 - Elliptical Galaxy in Canes Venatici
NGC 4901 is a Elliptical Galaxy in the Canes Venatici constellation. NGC 4901 is situated north of the celestial equator and, as such, it is more easily visible from the northern hemisphere. Given its B magnitude of 15.5, NGC 4901 is visible only through long exposure photography.
The image below is a photograph of NGC 4901 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 0.5000x0.5000 degrees (30.00x30.00 arcmins).
Celestial Coordinates
Apparent
J2000
Finder Chart
The simplified sky charts below show the position of NGC 4901 in the sky. The first chart has a field of view of 60° while the second one has a field of view of 10°.
Photometric Information
The following table lists the magnitude of NGC 4901 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.
The surface brightess reported below is an indication of the brightness per unit of angular area of NGC 4901.
Apparent Size
The following table reports NGC 4901 apparent angular size. The green area displayed on top of the DSS2 image of NGC 4901 is a visual representation of it.Morphological Classification
NGC 4901 - Elliptical Galaxy in Canes Venatici is classified as Elliptical (E) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of NGC 4901 - Elliptical Galaxy in Canes Venatici in the Hubble de Vaucouleurs sequence.
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY
Rise and Set Times
Location: Greenwich, UK
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
NGC 4901 - Elliptical Galaxy in Canes Venatici is circumpolar and transits at 20:30 UTC (altitude: 85.6°)