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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):

TypeNameMagnitudeArDec
StarHIP 246828.845205h 17m 41s-37° 37’ 06”
StarHIP 241896.40905h 11m 35s-37° 23’ 43”
StarHIP 241658.224805h 11m 21s-36° 28’ 45”
StarHIP 243148.991805h 13m 03s-37° 25’ 07”
StarHIP 245628.511405h 16m 10s-35° 48’ 46”
StarHIP 245908.301605h 16m 30s-37° 34’ 21”
StarHIP 247028.785605h 17m 56s-35° 22’ 02”
StarHIP 244746.600605h 15m 08s-36° 39’ 10”
StarHIP 244265.639405h 14m 28s-35° 58’ 37”
StarHIP 248338.237605h 19m 25s-36° 44’ 42”
StarHIP 241067.803405h 10m 41s-36° 16’ 29”
StarHIP 243736.821405h 13m 46s-35° 49’ 31”
StarHIP 251868.278205h 23m 15s-36° 22’ 18”
StarHIP 251908.43505h 23m 21s-36° 40’ 15”
StarHIP 252216.70405h 23m 38s-37° 20’ 12”
StarHIP 242048.563605h 11m 45s-36° 22’ 53”
StarHIP 244708.477405h 15m 06s-36° 39’ 03”
GalaxyIC 212213.805h 19m 01s-37° 05’ 16”
GalaxyESO 362-1113.105h 16m 39s-37° 06’ 00”
GalaxyESO 362-1513.905h 19m 16s-37° 08’ 35”

Additional resources

Additional Resources about Comet C/2021 S3 (PANSTARRS)

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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