261P/Larson live position and data

This page shows Comet 261P/Larson 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 261P/Larson (less than 1.5 degrees):

Type	Name	Magnitude	Ar	Dec
Star	HIP 15562	0	03h 20m 28s	+22° 24’ 56”
Star	HIP 15844	0	03h 24m 06s	+23° 47’ 07”
Star	HIP 15908	8.7464	03h 24m 51s	+22° 16’ 41”
Star	HIP 15723	8.4914	03h 22m 31s	+22° 48’ 35”
Star	HIP 15552	7.5486	03h 20m 21s	+23° 41’ 21”
Star	HIP 15072	6.6442	03h 14m 17s	+22° 57’ 13”
Star	HIP 15380	7.128	03h 18m 19s	+24° 04’ 54”
Star	HIP 15278	8.886	03h 17m 06s	+24° 02’ 06”
Star	HIP 15513	8.6922	03h 19m 55s	+21° 30’ 59”
Star	HIP 15341	7.6296	03h 17m 49s	+22° 49’ 56”
Star	HIP 15038	8.5548	03h 13m 50s	+22° 15’ 09”
Star	HIP 15267	7.2028	03h 16m 56s	+23° 07’ 36”
Star	HIP 15586	8.408	03h 20m 45s	+23° 11’ 02”

Additional resources

Additional Resources about Comet 261P/Larson

• 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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