IC 4999 - Spiral Galaxy in Capricornus
IC 4999 is a Spiral Galaxy in the Capricornus constellation. IC 4999 is situated south of the celestial equator and, as such, it is more easily visible from the southern emisphere.
Photometric information of IC 4999
The following table lists the magnitude of IC 4999 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 IC 4999.
Apparent size of IC 4999The following table reports IC 4999 apparent angular size. The green area displayed on top of the DSS2 image of IC 4999 is a visual representation of it.
Digitized Sky Survey image of IC 4999
The image below is a photograph of IC 4999 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).
IC 4999 - Spiral Galaxy in Capricornus morphological classification
IC 4999 - Spiral Galaxy in Capricornus is classified as Spiral (SAc) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of IC 4999 - Spiral Galaxy in Capricornus in the Hubble de Vaucouleurs sequence.
Celestial coordinates and finder chart of IC 4999
Celestial coordinates for the J2000 equinox of IC 4999 are provided in the following table:
The simplified sky charts below show the position of IC 4999 in the sky. The first chart has a field of view of 60° while the second one has a field of view of 10°.