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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 4:43 
Transit: 13:01 
Sunset: 21:18
wb_twilight   (Astronomical Twilight)   What's Visible Now?
All Constellations »  Sculptor »  Deep Sky Objects » 

IC 1581 - Spiral Galaxy in Sculptor

Below the horizon.  Rise: 4:05 | Tran: 7:34 | Set: 11:02
Altitude: -29.6°   Azimuth: 95.4°   Direction: East

IC 1581 is a Spiral Galaxy in the Sculptor constellation. IC 1581 is situated south of the celestial equator and, as such, it is more easily visible from the southern hemisphere.

The image below is a photograph of IC 1581 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 1581 - Spiral Galaxy in Sculptor star
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DSS2 image of IC 1581 in the Red band. The green region on the image is a representation of the major (1 arcmin) and minor (0.2 arcmin) axes of the object's apparent size.

Key facts about IC 1581

IC 1581
Galaxy
Sculptor

IC 1581 is below the horizon from Greenwich, UK.

Altitude: -29.6°
Azimuth: 95.4°
Direction: East

See also IC 1581 rise and set times.

Given its B magnitude of 16.24, IC 1581 is visible only through long exposure photography.

Available Resources for IC 1581 - Spiral Galaxy in Sculptor

Photometric information of IC 1581

The following table lists the magnitude of IC 1581 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).

16.24
13.87
12.99
12.63

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 1581.

23.66 mag/arcsec2

Apparent size of IC 1581

The following table reports IC 1581 apparent angular size. The green area displayed on top of the DSS2 image of IC 1581 is a visual representation of it.
1 arcmin
0.2 arcmin
48°

IC 1581 - Spiral Galaxy in Sculptor morphological classification

IC 1581 - Spiral Galaxy in Sculptor 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 1581 - Spiral Galaxy in Sculptor in the Hubble de Vaucouleurs sequence.

IC 1581 - Spiral Galaxy in Sculptor
Visualization of the morphological classification of IC 1581 - Spiral Galaxy in Sculptor, Spiral (SAc).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of IC 1581

Celestial coordinates for the J2000 equinox of IC 1581 are provided in the following table:

00h 45m 46s
-25° 55’ 13”

The simplified sky charts below show the position of IC 1581 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 1581 - Spiral Galaxy in Sculptor star
Simplified finder chart for IC 1581 - Spiral Galaxy in Sculptor.

Finder chart IC 1581 - Spiral Galaxy in Sculptor star
Simplified finder chart for IC 1581 - Spiral Galaxy in Sculptor.

Rise and set times of IC 1581 from your location

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

Today's IC 1581 - Spiral Galaxy in Sculptor rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 115.9°
Max altitude: 12.6°
Azimuth: 244.1°