NGC 7139 - Planetary Nebula
NGC 7139 is a Planetary Nebula in the Cepheus constellation. NGC 7139 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere.
- NGC 7139 is above the horizon from Greenwich, United Kingdom [change]. Its current altitude is 30° above the horizon. See also rise and set times.
- Given its visual magnitude of 13.3, NGC 7139 is visible with the help of a telescope havng an aperture of 10 inches (250mm) or more.
Photometric information of NGC 7139
The following table lists the magnitude of NGC 7139 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 NGC 7139
The following table reports NGC 7139 apparent angular size. The green area displayed on top of the DSS2 image of NGC 7139 is a visual representation of it.Digitized Sky Survey image of NGC 7139
The image below is a photograph of NGC 7139 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).
Celestial coordinates and finder chart of NGC 7139
Celestial coordinates for the J2000 equinox of NGC 7139 are provided in the following table:
The simplified sky charts below show the position of NGC 7139 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 7139 from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
NGC 7139 - Planetary Nebula is circumpolar and transits at 16:54 UTC (altitude: 77.7°)