117P/Helin-Roman-Alu 1 live position and data

This page shows Comet 117P/Helin-Roman-Alu 1 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 117P/Helin-Roman-Alu 1 (less than 1.5 degrees):

Type	Name	Magnitude	Ar	Dec
Star	HIP 92735	0	18h 53m 49s	-30° 25’ 16”
Star	HIP 91965	7.4328	18h 44m 42s	-29° 58’ 48”
Star	HIP 92184	8.8016	18h 47m 17s	-30° 51’ 41”
Star	HIP 92142	6.7578	18h 46m 47s	-29° 37’ 53”
Star	HIP 92280	7.5908	18h 48m 22s	-31° 51’ 53”
Star	HIP 92304	8.7952	18h 48m 47s	-30° 05’ 47”
Star	HIP 92397	8.905	18h 49m 44s	-31° 32’ 26”
Star	HIP 92649	6.6454	18h 52m 41s	-30° 44’ 02”
Star	HIP 92748	8.4978	18h 54m 00s	-31° 11’ 55”
Star	HIP 91953	8.1968	18h 44m 37s	-31° 24’ 02”
Star	HIP 91681	8.1916	18h 41m 46s	-31° 10’ 10”
Star	HIP 92527	7.9796	18h 51m 23s	-30° 07’ 05”
Star	HIP 92485	7.972	18h 50m 57s	-30° 57’ 41”

Additional resources

Additional Resources about Comet 117P/Helin-Roman-Alu 1

• 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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