C/2021 S3 (PANSTARRS) live position and data

This page shows Comet C/2021 S3 (PANSTARRS) 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/2021 S3 (PANSTARRS) (less than 1.5 degrees):

Type	Name	Magnitude	Ar	Dec
Star	HIP 21775	8.4588	04h 40m 37s	-25° 46’ 19”
Star	HIP 22016	8.2472	04h 44m 02s	-25° 55’ 07”
Star	HIP 21940	7.4834	04h 42m 58s	-24° 18’ 04”
Star	HIP 21773	8.8696	04h 40m 34s	-26° 04’ 41”
Star	HIP 22159	7.4772	04h 46m 04s	-25° 09’ 33”
Star	HIP 22065	7.9256	04h 44m 47s	-26° 46’ 06”
Star	HIP 22057	8.8198	04h 44m 37s	-25° 41’ 47”
Star	HIP 22097	8.1516	04h 45m 18s	-26° 02’ 20”
Star	HIP 22045	8.9684	04h 44m 28s	-27° 14’ 44”
Star	HIP 22226	7.838	04h 46m 49s	-26° 18’ 08”
Star	HIP 21649	7.2004	04h 38m 56s	-25° 42’ 21”
Star	HIP 21511	8.7394	04h 37m 09s	-25° 33’ 22”
Star	HIP 22007	8.1796	04h 43m 49s	-24° 46’ 45”

Additional resources

Additional Resources about Comet C/2021 S3 (PANSTARRS)

• 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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