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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 949497.457419h 19m 17s+14° 10’ 39”
StarHIP 950258.432619h 20m 05s+14° 38’ 12”
StarHIP 950357.908819h 20m 11s+14° 08’ 19”
StarHIP 950827.612619h 20m 40s+14° 25’ 08”
StarHIP 951076.797819h 20m 53s+13° 34’ 36”
StarHIP 951327.695419h 21m 17s+14° 38’ 01”
StarHIP 951487.973819h 21m 29s+13° 15’ 27”
StarHIP 952876.612419h 23m 08s+14° 55’ 15”
StarHIP 953038.160619h 23m 21s+14° 42’ 46”
StarHIP 953348.378819h 23m 42s+15° 45’ 34”
StarHIP 954968.630219h 25m 27s+13° 42’ 04”
StarHIP 955228.016419h 25m 48s+14° 36’ 31”
StarHIP 955427.996219h 26m 00s+15° 33’ 24”
StarHIP 955598.239619h 26m 12s+15° 33’ 06”
StarHIP 955725.7319h 26m 24s+13° 01’ 25”
StarHIP 956646.314419h 27m 33s+14° 16’ 56”
StarHIP 957278.935219h 28m 13s+14° 00’ 05”
StarHIP 957878.159219h 28m 57s+15° 14’ 35”
StarHIP 957948.256219h 29m 02s+14° 33’ 52”
StarHIP 958225.468619h 29m 22s+14° 35’ 45”
StarHIP 958267.496219h 29m 25s+15° 11’ 06”

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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