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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
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All Constellations »  Cancer »  Deep Sky Objects » 

IC 490 - Spiral Galaxy in Cancer

Altitude: -8.6°   Azimuth: 333.7°   Direction: North-North-West

IC 490 is a Spiral Galaxy in the Cancer constellation. IC 490 is situated north of the celestial equator and, as such, it is more easily visible from the northern hemisphere.

The image below is a photograph of IC 490 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).

Image of IC 490 - Spiral Galaxy in Cancer star
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DSS2 image of IC 490 in the Red band. The green region on the image is a representation of the major (0.59 arcmin) and minor (0.47 arcmin) axes of the object's apparent size.

Key facts about IC 490

IC 490
Galaxy
Cancer

IC 490 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -8.6°
Azimuth: 333.7°
Direction: North-North-West

See also IC 490 rise and set times.

Given its B magnitude of 15.6, IC 490 is visible only through long exposure photography.

Available Resources for IC 490 - Spiral Galaxy in Cancer

Photometric information of IC 490

The following table lists the magnitude of IC 490 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).

15.6
12.9
12.2
11.91

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 490.

23.08 mag/arcsec2

Apparent size of IC 490

The following table reports IC 490 apparent angular size. The green area displayed on top of the DSS2 image of IC 490 is a visual representation of it.
0.59 arcmin
0.47 arcmin
95°

IC 490 - Spiral Galaxy in Cancer morphological classification

IC 490 - Spiral Galaxy in Cancer is classified as Spiral (SAbc) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of IC 490 - Spiral Galaxy in Cancer in the Hubble de Vaucouleurs sequence.

IC 490 - Spiral Galaxy in Cancer
Visualization of the morphological classification of IC 490 - Spiral Galaxy in Cancer, Spiral (SAbc).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of IC 490

Celestial coordinates for the J2000 equinox of IC 490 are provided in the following table:

08h 03m 20s
+25° 48’ 41”

The simplified sky charts below show the position of IC 490 in the sky. The first chart has a field of view of 60° while the second one has a field of view of 10°.

Finder chart IC 490 - Spiral Galaxy in Cancer star
Simplified finder chart for IC 490 - Spiral Galaxy in Cancer.

Finder chart IC 490 - Spiral Galaxy in Cancer star
Simplified finder chart for IC 490 - Spiral Galaxy in Cancer.

Rise and set times of IC 490 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's IC 490 - Spiral Galaxy in Cancer rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 64.2°
Max altitude: 64.3°
Azimuth: 295.8°