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C/2021 Y1 (ATLAS) live position and data

This page shows Comet C/2021 Y1 (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/2021 Y1 (ATLAS) (less than 1.5 degrees):

TypeNameMagnitudeArDec
StarHIP 231176.715204h 58m 28s+37° 19’ 44”
StarHIP 224534.726804h 49m 54s+37° 29’ 17”
StarHIP 230138.626604h 56m 58s+37° 51’ 57”
StarHIP 227446.580404h 53m 34s+36° 48’ 21”
StarHIP 232827.272205h 00m 33s+36° 37’ 38”
StarHIP 235367.298405h 03m 38s+37° 16’ 06”
StarHIP 225297.238204h 50m 53s+37° 45’ 37”
StarHIP 226308.59904h 52m 09s+36° 13’ 13”
StarHIP 227767.69704h 53m 56s+36° 45’ 26”
StarHIP 233878.169405h 01m 38s+37° 24’ 34”
StarHIP 229556.063404h 56m 20s+36° 10’ 06”
StarHIP 227048.068604h 52m 56s+35° 48’ 10”
StarHIP 226476.697804h 52m 20s+36° 38’ 31”
StarHIP 231794.932804h 59m 15s+37° 53’ 25”
StarHIP 226784.639404h 52m 37s+36° 42’ 11”
StarHIP 224217.687204h 49m 29s+37° 20’ 06”

Additional resources

Additional Resources about Comet C/2021 Y1 (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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