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C/2018 A3 (ATLAS) live position and data

This page shows Comet C/2018 A3 (ATLAS) 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/2018 A3 (ATLAS) (less than 1.5 degrees):

TypeNameMagnitudeArDec
StarHIP 540208.08311h 03m 05s+40° 30’ 16”
StarHIP 542678.23811h 06m 06s+39° 47’ 42”
StarHIP 548426.045211h 13m 40s+41° 05’ 19”
StarHIP 547478.43211h 12m 34s+40° 32’ 03”
StarHIP 550058.245211h 15m 44s+39° 42’ 47”
StarHIP 544988.853211h 08m 58s+41° 10’ 32”
StarHIP 542708.218811h 06m 07s+40° 55’ 37”
StarHIP 550478.833411h 16m 08s+40° 31’ 47”
StarHIP 548587.842211h 13m 55s+39° 58’ 40”

Additional resources

Additional Resources about Comet C/2018 A3 (ATLAS)

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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