Your guide to the Solar System and the night sky
By donating now you help keep this site alive and free from ads. Please consider supporting this project.
🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 6:41  ☀️ Transit: 13:03  🌅 Sunset: 19:26

Messier 46 - Open Cluster in Puppis

Messier 46 is a Open Cluster in the Puppis constellation. Messier 46 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.

Messier 46
Open Cluster
Puppis
Available Resources for Messier 46 - Open Cluster in Puppis

Photometric information of Messier 46

The following table lists the magnitude of Messier 46 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).

6.33
6.1

For more information about photometry in astronomy, check the photometric system article on Wikipedia.

Apparent size of Messier 46

The following table reports Messier 46 apparent angular size. The green area displayed on top of the DSS2 image of Messier 46 is a visual representation of it.
21 arcmin
21 arcmin

Digitized Sky Survey image of Messier 46

The image below is a photograph of Messier 46 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 0.7x0.7 degrees (42x42 arcmins).

Image of Messier 46 - Open Cluster in Puppis star
/>
DSS2 image of Messier 46 in the Red band. The green region on the image is a representation of the major (21 arcmin) and minor (21 arcmin) axes of the object's apparent size.

Celestial coordinates and finder chart of Messier 46

Celestial coordinates for the J2000 equinox of Messier 46 are provided in the following table:

07h 41m 47s
-14° 48’ 36”

The simplified sky charts below show the position of Messier 46 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 Messier 46 - Open Cluster in Puppis star
Simplified finder chart for Messier 46 - Open Cluster in Puppis.

Finder chart Messier 46 - Open Cluster in Puppis star
Simplified finder chart for Messier 46 - Open Cluster in Puppis.

Rise ans set times of Messier 46 from your location

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

Today's Messier 46 - Open Cluster in Puppis rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 104.8°
Max altitude: 23.7°
Azimuth: 255.2°
Messier 46 - Open Cluster in Puppis is below the horizon from Greenwich, United Kingdom