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C/2021 C3 (Catalina) live position and data

This page shows Comet C/2021 C3 (Catalina) 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 C3 (Catalina) (less than 1.5 degrees):

TypeNameMagnitudeArDec
StarHIP 856995.74517h 30m 46s+86° 58’ 04”
StarHIP 717256.72514h 40m 18s+87° 12’ 52”
StarHIP 781608.37315h 57m 36s+85° 47’ 44”
StarHIP 820198.143216h 45m 16s+86° 04’ 11”
StarHIP 858224.342817h 32m 12s+86° 35’ 10”
StarHIP 790698.667816h 08m 27s+86° 11’ 59”
StarHIP 827638.839616h 54m 53s+87° 44’ 03”
StarHIP 848588.253417h 20m 36s+87° 22’ 31”
StarHIP 829688.326216h 57m 18s+86° 50’ 40”
StarHIP 732648.063814h 58m 22s+87° 00’ 22”
StarHIP 822818.081816h 48m 43s+88° 09’ 22”
StarHIP 805618.583616h 26m 51s+85° 37’ 01”

Additional resources

Additional Resources about Comet C/2021 C3 (Catalina)

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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