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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 2391000h 30m 29s+04° 20’ 20”
StarHIP 18947.782200h 23m 57s+03° 45’ 39”
StarHIP 21667.094600h 27m 20s+02° 48’ 50”
StarHIP 23988.322400h 30m 31s+03° 16’ 00”
StarHIP 23698.98800h 30m 14s+05° 21’ 44”
StarHIP 20528.953800h 26m 01s+03° 53’ 17”
StarHIP 25008.26500h 31m 42s+03° 45’ 22”
StarHIP 23586.497200h 30m 08s+04° 51’ 36”
StarHIP 20468.604400h 25m 56s+03° 55’ 30”
StarHIP 19438.239400h 24m 33s+03° 22’ 27”
StarHIP 20806.89700h 26m 16s+03° 49’ 32”
StarHIP 25218.668200h 31m 57s+03° 51’ 44”
StarHIP 25107.968800h 31m 49s+04° 50’ 46”
StarHIP 21957.821800h 27m 43s+04° 36’ 25”
GalaxyNGC 12812.800h 29m 14s+02° 51’ 55”
GalaxyNGC 12513.300h 28m 50s+02° 50’ 22”

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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