C/2017 B3 (LINEAR) live position and data

This page shows Comet C/2017 B3 (LINEAR) 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 C/2017 B3 (LINEAR) (less than 1.5 degrees):

Type	Name	Magnitude	Ar	Dec
Star	HIP 62959	8.6474	12h 54m 07s	-63° 09’ 58”
Star	HIP 62725	8.9374	12h 51m 12s	-64° 55’ 14”
Star	HIP 62205	8.4898	12h 44m 57s	-65° 19’ 09”
Star	HIP 62027	5.2922	12h 42m 50s	-63° 03’ 31”
Star	HIP 62193	8.6788	12h 44m 48s	-64° 57’ 51”
Star	HIP 62624	7.5976	12h 49m 55s	-64° 36’ 49”
Star	HIP 62053	8.4488	12h 43m 07s	-65° 40’ 23”
Star	HIP 61959	7.3254	12h 41m 52s	-64° 43’ 43”
Star	HIP 63041	8.0252	12h 55m 03s	-63° 38’ 26”
Star	HIP 62138	8.5236	12h 44m 07s	-64° 12’ 41”
Star	HIP 62555	7.19	12h 49m 02s	-65° 35’ 35”
Star	HIP 63170	7.3132	12h 56m 33s	-64° 21’ 39”
Star	HIP 61457	8.8808	12h 35m 38s	-65° 16’ 40”
Star	HIP 61249	8.5266	12h 33m 06s	-64° 47’ 39”
Star	HIP 61819	8.9314	12h 40m 08s	-63° 27’ 12”

Additional resources

Additional Resources about Comet C/2017 B3 (LINEAR)

• 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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