17P/Holmes live position and data

This page shows Comet 17P/Holmes 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 17P/Holmes (less than 1.5 degrees):

Type	Name	Magnitude	Ar	Dec
Star	HIP 93790	0	19h 06m 03s	-27° 21’ 15”
Star	HIP 93792	0	19h 06m 03s	-27° 20’ 37”
Star	HIP 93328	8.5002	19h 00m 32s	-27° 38’ 42”
Star	HIP 93769	7.0918	19h 05m 46s	-29° 04’ 51”
Star	HIP 93812	7.3882	19h 06m 19s	-27° 17’ 13”
Star	HIP 93375	8.4402	19h 01m 06s	-28° 42’ 49”
Star	HIP 93864	3.1998	19h 06m 56s	-27° 40’ 11”
Star	HIP 93485	8.248	19h 02m 19s	-29° 20’ 30”
Star	HIP 93277	7.875	19h 00m 00s	-28° 03’ 02”
Star	HIP 94059	7.9012	19h 08m 56s	-28° 44’ 27”
Star	HIP 93877	8.6732	19h 07m 06s	-29° 09’ 38”
Star	HIP 93479	8.7902	19h 02m 13s	-28° 39’ 02”
Star	HIP 93207	8.5838	18h 59m 07s	-28° 35’ 33”
Star	HIP 93925	5.878	19h 07m 30s	-28° 38’ 12”
Star	HIP 93500	8.113	19h 02m 32s	-28° 38’ 40”
Star	HIP 93123	8.7174	18h 58m 13s	-28° 45’ 09”
Star	HIP 93506	2.6002	19h 02m 36s	-29° 52’ 48”

Additional resources

Additional Resources about Comet 17P/Holmes

• 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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