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21P/Giacobini-Zinner live position and data

This page shows Comet 21P/Giacobini-Zinner location and other relevant astronomical data in real time. The celestial coordinates, magnitude, distances and speed are updated in real time and are computed using high quality data sets provided by the JPL Horizons ephemeris service (see acknowledgements for details). The sky map shown below represents a rectangular portion of the sky 60x40 arcminutes wide. By comparison the diameter of the full Moon is about 30 arcmins, so the full horizontal extent of the map is approximately 2 full Moons wide. Depending on the device you are using, the map can be dragged horizondally or vertically using the mouse or touchscreen. The deep sky image in the background is provided by the Digitized Sky Survey (acknowledgements).

Current close conjunctions

List of bright objects (stars brighter than magnitude 9.0 and galaxies brighter than magmitude 14.0) close to Comet 21P/Giacobini-Zinner (less than 1.5 degrees):

TypeNameMagnitudeArDec
StarHIP 688198.143814h 05m 22s-07° 59’ 48”
StarHIP 692038.811214h 10m 04s-08° 22’ 18”
StarHIP 688886.524614h 06m 17s-08° 53’ 29”
StarHIP 695568.08514h 14m 16s-07° 03’ 21”
StarHIP 694667.06514h 13m 18s-08° 26’ 40”
StarHIP 688067.556414h 05m 12s-07° 16’ 35”
StarHIP 695418.358214h 14m 09s-08° 31’ 06”
StarHIP 689677.784614h 07m 08s-08° 26’ 21”
StarHIP 694638.080614h 13m 17s-08° 40’ 09”
StarHIP 691338.743814h 09m 03s-08° 00’ 14”
StarHIP 692367.786614h 10m 28s-06° 33’ 34”

Additional resources

Additional Resources about Comet 21P/Giacobini-Zinner

Astronomy databases

This online sky chart is created using the following astronomy databases and services:

  1. The Digitized Sky Survey, a photographic survey of the whole sky created using images from different telescopes, including the Oschin Schmidt Telescope on Palomar Mountain
  2. The Hipparcos Star Catalogue, containing more than 100.000 bright stars
  3. The PGC 2003 Catalogue, containing information about 1 million galaxies
  4. The GSC 2.3 Catalogue, containing information about more than 2 billion stars and galaxies
Please see the acknowledgements section.

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