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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):

TypeNameMagnitudeArDec
StarHIP 115680023h 26m 12s+08° 53’ 35”
StarHIP 1158387.681623h 28m 04s+08° 37’ 53”
StarHIP 1155898.820623h 24m 49s+07° 52’ 51”
StarHIP 1157198.655623h 26m 39s+09° 44’ 59”
StarHIP 1161168.65423h 31m 41s+09° 19’ 15”
StarHIP 1156977.045823h 26m 27s+08° 38’ 39”
StarHIP 1157746.90923h 27m 18s+08° 04’ 00”
StarHIP 1160867.649223h 31m 20s+09° 45’ 42”
StarHIP 1160558.514823h 30m 55s+09° 28’ 55”
StarHIP 1158717.354623h 28m 31s+09° 25’ 37”
StarHIP 1156747.428423h 26m 08s+08° 55’ 46”
GalaxyNGC 763413.623h 21m 42s+08° 53’ 14”
GalaxyNGC 764813.823h 23m 54s+09° 40’ 04”
GalaxyNGC 767413.923h 27m 56s+08° 46’ 37”

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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