NGC 685 - Spiral Galaxy in Eridanus
NGC 685 is a Spiral Galaxy in the Eridanus constellation. NGC 685 is situated south of the celestial equator and, as such, it is more easily visible from the southern hemisphere.
NGC 685 is below the horizon from Greenwich, United Kingdom .
See also NGC 685 rise and set times.
Given its B magnitude of 12.02, NGC 685 is visible with the help of a telescope having an aperture of 8 inches (200mm) or more.
Photometric information of NGC 685
The following table lists the magnitude of NGC 685 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 685.
Apparent size of NGC 685The following table reports NGC 685 apparent angular size. The green area displayed on top of the DSS2 image of NGC 685 is a visual representation of it.
Digitized Sky Survey image of NGC 685
The image below is a photograph of NGC 685 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).
NGC 685 - Spiral Galaxy in Eridanus morphological classification
NGC 685 - Spiral Galaxy in Eridanus 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 NGC 685 - Spiral Galaxy in Eridanus in the Hubble de Vaucouleurs sequence.
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY
Celestial coordinates and finder chart of NGC 685
Celestial coordinates for the J2000 equinox of NGC 685 are provided in the following table:
The simplified sky charts below show the position of NGC 685 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 NGC 685 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
NGC 685 - Spiral Galaxy in Eridanus is currently not visible from Greenwich, United Kingdom