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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 153738.243203h 18m 13s-13° 49’ 45”
StarHIP 152246.964403h 16m 15s-11° 59’ 09”
StarHIP 151487.642403h 15m 15s-12° 59’ 14”
StarHIP 154137.6303h 18m 41s-14° 15’ 14”
StarHIP 153358.578603h 17m 45s-12° 13’ 17”
StarHIP 148838.892203h 12m 05s-14° 14’ 23”
StarHIP 147976.307603h 11m 05s-13° 15’ 51”
StarHIP 150217.632403h 13m 37s-13° 38’ 22”
StarHIP 151047.698803h 14m 49s-14° 26’ 35”
StarHIP 151277.25303h 15m 04s-13° 49’ 40”
StarHIP 148327.647203h 11m 30s-13° 31’ 26”
GalaxyPGC 1211713.703h 15m 46s-12° 01’ 27”
GalaxyPGC 1237913.803h 19m 17s-12° 06’ 11”

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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