IC 166 - Open Cluster in Cassiopeia
IC 166 is a Open Cluster in the Cassiopeia constellation. IC 166 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 IC 166 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).
Key facts about IC 166
IC 166 is above the horizon from Greenwich, United Kingdom.
Altitude: 63.8°
Azimuth: 310.8°
Direction: North-West
See also IC 166 rise and set times.
Given its visual magnitude of 11.7, IC 166 is visible with the help of a telescope having an aperture of 8 inches (200mm) or more.
Photometric information of IC 166
The following table lists the magnitude of IC 166 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.
Apparent size of IC 166
The following table reports IC 166 apparent angular size. The green area displayed on top of the DSS2 image of IC 166 is a visual representation of it.Celestial coordinates and finder chart of IC 166
Celestial coordinates for the J2000 equinox of IC 166 are provided in the following table:
The simplified sky charts below show the position of IC 166 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 and set times of IC 166 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
IC 166 - Open Cluster in Cassiopeia is circumpolar and transits at 10:57 UTC (altitude: 79.6°)