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 8817	0	01h 53m 20s	+23° 26’ 41”
Star	HIP 8443	8.4602	01h 48m 51s	+23° 59’ 06”
Star	HIP 8466	8.2812	01h 49m 10s	+24° 43’ 26”
Star	HIP 8375	8.582	01h 47m 55s	+22° 45’ 34”
Star	HIP 8418	8.2604	01h 48m 36s	+22° 24’ 06”
Star	HIP 8718	6.6388	01h 52m 10s	+24° 07’ 02”
Star	HIP 8491	8.2966	01h 49m 28s	+24° 40’ 48”
Star	HIP 8544	5.7842	01h 50m 08s	+22° 16’ 31”
Star	HIP 8311	8.6184	01h 47m 11s	+24° 23’ 32”
Star	HIP 8247	8.8738	01h 46m 11s	+22° 26’ 55”
Galaxy	NGC 697	12.8	01h 51m 17s	+22° 21’ 32”
Galaxy	NGC 678	13.3	01h 49m 25s	+21° 59’ 50”
Galaxy	NGC 680	12.9	01h 49m 47s	+21° 58’ 14”
Galaxy	NGC 695	13.9	01h 51m 13s	+22° 34’ 59”

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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