IC 1657 - Barred Spiral Galaxy in Sculptor
IC 1657 is a Barred Spiral Galaxy in the Sculptor constellation. IC 1657 is situated south of the celestial equator and, as such, it is more easily visible from the southern hemisphere.
See also IC 1657 rise and set times.
Given its B magnitude of 13.16, IC 1657 is visible with the help of a telescope having an aperture of 10 inches (250mm) or more.
Photometric information of IC 1657
The following table lists the magnitude of IC 1657 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 1657.
Apparent size of IC 1657The following table reports IC 1657 apparent angular size. The green area displayed on top of the DSS2 image of IC 1657 is a visual representation of it.
Digitized Sky Survey image of IC 1657
The image below is a photograph of IC 1657 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 1657 - Barred Spiral Galaxy in Sculptor morphological classification
IC 1657 - Barred Spiral Galaxy in Sculptor is classified as Barred Spiral (Bbc) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of IC 1657 - Barred Spiral Galaxy in Sculptor in the Hubble de Vaucouleurs sequence.
Celestial coordinates and finder chart of IC 1657
Celestial coordinates for the J2000 equinox of IC 1657 are provided in the following table:
The simplified sky charts below show the position of IC 1657 in the sky. The first chart has a field of view of 60° while the second one has a field of view of 10°.
Rise ans set times of IC 1657 from your location
Today's IC 1657 - Barred Spiral Galaxy in Sculptor rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):