C/2020 S3 (Erasmus) live position and data

This page shows Comet C/2020 S3 (Erasmus) 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/2020 S3 (Erasmus) (less than 1.5 degrees):

StarHIP 1013097.991420h 32m 05s-08° 26’ 17”
StarHIP 1018977.719820h 38m 57s-08° 23’ 57”
StarHIP 1018138.370420h 37m 57s-08° 32’ 00”
StarHIP 1015677.369220h 35m 03s-09° 34’ 49”
StarHIP 1019398.15120h 39m 27s-07° 43’ 57”
StarHIP 1019698.116820h 39m 53s-07° 34’ 23”
StarHIP 1013518.62620h 32m 25s-08° 11’ 46”
StarHIP 1015807.90620h 35m 13s-09° 00’ 13”
StarHIP 1013888.1220h 32m 52s-07° 55’ 49”

Additional resources

Additional Resources about Comet C/2020 S3 (Erasmus)

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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