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 44604	8.8042	09h 05m 15s	+14° 14’ 42”
Star	HIP 44082	7.8676	08h 58m 46s	+14° 13’ 46”
Star	HIP 44361	8.6174	09h 02m 02s	+14° 35’ 55”
Star	HIP 44446	7.9808	09h 03m 18s	+14° 11’ 00”
Star	HIP 43755	8.8964	08h 54m 46s	+13° 33’ 41”
Star	HIP 43833	7.7	08h 55m 39s	+14° 10’ 51”
Star	HIP 44174	8.8178	08h 59m 50s	+15° 09’ 12”
Star	HIP 44148	6.3332	08h 59m 26s	+13° 04’ 27”
Star	HIP 43759	8.5956	08h 54m 49s	+14° 46’ 02”
Star	HIP 43779	7.9018	08h 55m 00s	+14° 43’ 41”
Star	HIP 44313	8.3354	09h 01m 29s	+15° 11’ 33”
Star	HIP 44295	8.4346	09h 01m 17s	+15° 15’ 59”
Star	HIP 44581	7.2712	09h 04m 58s	+13° 20’ 38”
Star	HIP 43970	5.2058	08h 57m 14s	+15° 19’ 21”
Star	HIP 43735	7.7326	08h 54m 27s	+14° 14’ 41”
Star	HIP 44102	8.7712	08h 58m 57s	+12° 58’ 11”
Galaxy	UGC 4670	13.9	08h 55m 55s	+13° 13’ 42”

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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