NGC 2251 - Open Cluster in Monoceros
NGC 2251 is a Open Cluster in the Monoceros constellation. NGC 2251 is situated close to the celestial equator and, as such, it is at least partly visible from both hemispheres in certain times of the year.
See also NGC 2251 rise and set times.
Given its visual magnitude of 7.3, NGC 2251 is visible with the help of a small binocular.
Photometric information of NGC 2251
The following table lists the magnitude of NGC 2251 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 2251The following table reports NGC 2251 apparent angular size. The green area displayed on top of the DSS2 image of NGC 2251 is a visual representation of it.
Digitized Sky Survey image of NGC 2251
The image below is a photograph of NGC 2251 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 2251
Celestial coordinates for the J2000 equinox of NGC 2251 are provided in the following table:
The simplified sky charts below show the position of NGC 2251 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 2251 from your location
Today's NGC 2251 - Open Cluster in Monoceros rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):