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 52003	6.7084	10h 37m 27s	-12° 23’ 38”
Star	HIP 51933	5.6674	10h 36m 32s	-12° 13’ 42”
Star	HIP 51674	8.9752	10h 33m 24s	-10° 47’ 45”
Star	HIP 51572	8.8458	10h 32m 01s	-12° 11’ 57”
Star	HIP 52113	6.0418	10h 38m 50s	-12° 26’ 37”
Star	HIP 51974	6.4942	10h 37m 11s	-11° 44’ 54”
Star	HIP 52280	8.778	10h 40m 58s	-10° 58’ 28”
Star	HIP 51452	7.2036	10h 30m 32s	-10° 48’ 28”
Star	HIP 51884	7.9436	10h 36m 02s	-11° 54’ 45”
Star	HIP 52000	7.9222	10h 37m 25s	-11° 02’ 38”
Star	HIP 52121	8.7064	10h 38m 54s	-10° 09’ 03”
Star	HIP 51907	6.556	10h 36m 17s	-10° 34’ 59”
Star	HIP 51987	8.826	10h 37m 18s	-11° 30’ 39”
Star	HIP 52039	7.5276	10h 37m 57s	-11° 30’ 34”
Star	HIP 52023	8.4242	10h 37m 44s	-11° 02’ 58”
Star	HIP 51741	7.5854	10h 34m 18s	-09° 53’ 57”
Star	HIP 52279	8.511	10h 40m 57s	-12° 11’ 44”
Star	HIP 51569	8.6044	10h 31m 59s	-10° 21’ 18”
Star	HIP 51575	7.3726	10h 32m 01s	-11° 25’ 27”

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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