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 in the background 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 64750	8.0124	13h 16m 13s	-12° 37’ 16”
Star	HIP 64056	7.6818	13h 07m 39s	-14° 11’ 17”
Star	HIP 64164	8.9876	13h 09m 01s	-12° 33’ 55”
Star	HIP 64346	6.8178	13h 11m 21s	-13° 57’ 44”
Star	HIP 64511	7.5236	13h 13m 21s	-13° 28’ 15”
Star	HIP 64808	7.655	13h 16m 58s	-13° 09’ 31”
Star	HIP 64340	8.3142	13h 11m 18s	-11° 55’ 40”
Star	HIP 64718	7.1518	13h 15m 53s	-12° 21’ 00”
Star	HIP 64403	8.5452	13h 11m 58s	-13° 35’ 14”
Star	HIP 64156	7.934	13h 08m 57s	-13° 26’ 28”
Star	HIP 64356	8.7938	13h 11m 28s	-12° 59’ 59”
Star	HIP 64093	8.125	13h 08m 06s	-13° 07’ 05”
Star	HIP 64404	8.5368	13h 12m 01s	-12° 24’ 09”
Star	HIP 64335	7.4958	13h 11m 14s	-14° 14’ 32”
Star	HIP 64118	7.2	13h 08m 27s	-11° 45’ 45”
Galaxy	NGC 5028	13.7	13h 13m 45s	-13° 02’ 33”
Galaxy	PGC 45824	13.5	13h 11m 58s	-12° 03’ 50”

Additional resources

• 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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