NEBULAE & STAR CLUSTERS
A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z

                  
  • HOME
  • ABOUT
  • CATEGORIES
  • SITE MAP
  • COPYRIGHT
  • ADVERTISE
  • CONTACT
    •

    entire Web this site



    Blue Planetary (NGC 3918)

    Blue Planetary, NGC 3918
    A planetary nebula in the constellation Centaurus, 2.5° northwest of Delta Crux, that was discovered and named by John Herschel in 1834. In a 25-cm telescope, at low to medium power (75 to 120x), it appears as a small pale blue disk similar to that of Neptune. The image shown here was taken by the Hubble Space Telescope.


    visual magnitude 8.1
    angular size 12"
    distance 2,600 light-years (800 pc)
    position R.A. 11h 50m 18s,
    Dec. -57° 10' 57"
    other designations PN G294.6 + 04.7,
    PK 294+04 1, ARO 514


    Related category

       • NEBULAE AND STAR CLUSTERS





    Also on this site:

    Encyclopedia of Alternative Energy & Sustainable Living
    Encyclopedia of History
    Transport Concepts & Designs (partner site)



    BACK TO TOP