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M 79

Kroglasta kopica - Globular Cluster M79 (NGC 1904), class V, in lepus

Rektascenzija 05 : 24.5 (u:m)
Deklinacija -24 : 33 (sto:m)
Razdalja 41.1 (*1000 sv.l.)
Vizual. magnituda 7.7 (mag)
Zorni kot 8.7 (loc min)

M79 is a beautiful globular cluster at a quite unusual location in the sky: Most globulars are grouped around the Galactic center, but this is one of the few which are situated in the other hemisphere, i.e. it is beyond us for hypothetical observers in the central stellar bulge of our Milky Way galaxy. It is little over 40,000 light years from us, but about 60,000 light years from the galactic center.

M79's apparent diameter of 8.7 minutes of arc corresponds to a linear extension of over 100 light years. This cluster is slightly elliptical, extended at position angle 45 deg, and has only 7 known variables. It is receding at about 200 km/sec.

About 0.5 degrees to the SW lies the 5.5 mag star ADS 3954 with its 7th mag companion, separated by 3".

  • UIT images of M79 (visible and UV) from the Astro-1 Space Shuttle mission (STS-35)
  • Vec posnetkov M79

    Povzeto po:
    Hartmut Frommert (spider@seds.org)
    Christine Kronberg (smil@lrz.uni-muenchen.de)

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