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):

Type	Name	Magnitude	Ar	Dec
Star	HIP 94949	7.4574	19h 19m 17s	+14° 10’ 39”
Star	HIP 95025	8.4326	19h 20m 05s	+14° 38’ 12”
Star	HIP 95035	7.9088	19h 20m 11s	+14° 08’ 19”
Star	HIP 95082	7.6126	19h 20m 40s	+14° 25’ 08”
Star	HIP 95107	6.7978	19h 20m 53s	+13° 34’ 36”
Star	HIP 95132	7.6954	19h 21m 17s	+14° 38’ 01”
Star	HIP 95148	7.9738	19h 21m 29s	+13° 15’ 27”
Star	HIP 95287	6.6124	19h 23m 08s	+14° 55’ 15”
Star	HIP 95303	8.1606	19h 23m 21s	+14° 42’ 46”
Star	HIP 95334	8.3788	19h 23m 42s	+15° 45’ 34”
Star	HIP 95496	8.6302	19h 25m 27s	+13° 42’ 04”
Star	HIP 95522	8.0164	19h 25m 48s	+14° 36’ 31”
Star	HIP 95542	7.9962	19h 26m 00s	+15° 33’ 24”
Star	HIP 95559	8.2396	19h 26m 12s	+15° 33’ 06”
Star	HIP 95572	5.73	19h 26m 24s	+13° 01’ 25”
Star	HIP 95664	6.3144	19h 27m 33s	+14° 16’ 56”
Star	HIP 95727	8.9352	19h 28m 13s	+14° 00’ 05”
Star	HIP 95787	8.1592	19h 28m 57s	+15° 14’ 35”
Star	HIP 95794	8.2562	19h 29m 02s	+14° 33’ 52”
Star	HIP 95822	5.4686	19h 29m 22s	+14° 35’ 45”
Star	HIP 95826	7.4962	19h 29m 25s	+15° 11’ 06”

Additional resources

Additional Resources about Comet 21P/Giacobini-Zinner

• 15 Days Ephemerides
• Interactive Sky Map (Planetarium)
• Rise & Set Times
• Distance from Earth
• Light Curve
• Orbital Elements

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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