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 91040	7.5412	18h 34m 18s	-42° 35’ 26”
Star	HIP 90233	8.3956	18h 24m 39s	-42° 01’ 41”
Star	HIP 90579	8.7918	18h 28m 59s	-43° 07’ 29”
Star	HIP 90759	6.0094	18h 31m 02s	-41° 54’ 49”
Star	HIP 90248	7.57	18h 24m 52s	-42° 13’ 44”
Star	HIP 90603	8.1416	18h 29m 15s	-41° 57’ 23”
Star	HIP 91309	8.6722	18h 37m 30s	-43° 29’ 01”
Star	HIP 90292	8.543	18h 25m 22s	-41° 44’ 32”
Star	HIP 90842	5.5556	18h 31m 56s	-43° 30’ 26”
Star	HIP 90821	8.1944	18h 31m 38s	-41° 39’ 27”
Star	HIP 91519	8.6606	18h 39m 49s	-42° 15’ 36”
Star	HIP 91155	8.9326	18h 35m 50s	-42° 37’ 59”
Star	HIP 91463	8.989	18h 39m 16s	-41° 33’ 49”
Star	HIP 91021	8.1208	18h 34m 05s	-41° 12’ 57”
Star	HIP 91336	7.3852	18h 37m 44s	-41° 36’ 50”
Star	HIP 90416	8.4666	18h 26m 55s	-42° 40’ 46”
Star	HIP 91232	8.6142	18h 36m 36s	-41° 39’ 50”
Star	HIP 90894	8.645	18h 32m 24s	-42° 19’ 13”
Star	HIP 90558	7.8986	18h 28m 44s	-41° 40’ 29”
Star	HIP 90982	4.5194	18h 33m 30s	-42° 18’ 44”
Star	HIP 90941	8.825	18h 33m 02s	-41° 39’ 02”
Star	HIP 91548	8.2588	18h 40m 10s	-41° 56’ 07”
Star	HIP 91327	7.7328	18h 37m 39s	-42° 57’ 19”
Star	HIP 90814	8.4152	18h 31m 30s	-41° 03’ 56”
Galaxy	ESO 336-4	14.0	18h 33m 00s	-41° 29’ 08”
Galaxy	ESO 336-3	13.0	18h 32m 46s	-41° 30’ 38”

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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