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 44208	0	09h 00m 17s	+24° 55’ 47”
Star	HIP 44262	8.7878	09h 00m 49s	+23° 46’ 49”
Star	HIP 44456	8.0128	09h 03m 24s	+22° 36’ 40”
Star	HIP 44078	7.5768	08h 58m 45s	+23° 58’ 00”
Star	HIP 44740	8.4288	09h 07m 02s	+23° 19’ 35”
Star	HIP 44768	6.3154	09h 07m 27s	+22° 58’ 51”
Star	HIP 44718	8.4454	09h 06m 43s	+24° 23’ 20”
Star	HIP 44795	8.7388	09h 07m 44s	+24° 48’ 45”
Star	HIP 44571	7.6636	09h 04m 51s	+24° 36’ 18”
Star	HIP 44405	5.459	09h 02m 44s	+24° 27’ 10”
Star	HIP 44586	7.3476	09h 05m 00s	+22° 49’ 55”
Star	HIP 44222	8.109	09h 00m 25s	+24° 29’ 47”
Galaxy	NGC 2750	12.7	09h 05m 47s	+25° 26’ 08”

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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