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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 516378.79510h 32m 57s+35° 22’ 56”
StarHIP 524328.19810h 43m 06s+35° 09’ 55”
StarHIP 520326.266610h 37m 52s+34° 04’ 42”
StarHIP 516855.574610h 33m 30s+34° 59’ 19”
StarHIP 519146.25910h 36m 21s+36° 19’ 37”
StarHIP 522148.428210h 40m 05s+35° 29’ 33”
StarHIP 522527.980610h 40m 34s+35° 43’ 24”
StarHIP 526758.912610h 46m 15s+35° 38’ 23”
StarHIP 522997.919810h 41m 10s+34° 41’ 17”
StarHIP 519518.677210h 36m 46s+35° 45’ 27”
StarHIP 523828.68110h 42m 25s+36° 31’ 09”
StarHIP 519218.439410h 36m 23s+34° 53’ 45”
StarHIP 519908.937810h 37m 19s+35° 34’ 20”
StarHIP 519178.80510h 36m 22s+35° 07’ 20”
GalaxyUGC 582913.710h 42m 44s+34° 27’ 29”

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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