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C/2017 M4 (ATLAS) live position and data

This page shows Comet C/2017 M4 (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/2017 M4 (ATLAS) (less than 1.5 degrees):

TypeNameMagnitudeArDec
StarHIP 903946.95218h 26m 38s+59° 42’ 20”
StarHIP 904766.324818h 27m 42s+59° 32’ 56”
StarHIP 905428.29618h 28m 28s+60° 26’ 14”
StarHIP 908288.956818h 31m 44s+61° 27’ 00”
StarHIP 908338.217618h 31m 47s+61° 46’ 44”
StarHIP 908377.731418h 31m 54s+59° 25’ 12”
StarHIP 909348.928418h 33m 00s+59° 53’ 18”
StarHIP 912038.382618h 36m 18s+62° 09’ 09”
StarHIP 912588.560818h 36m 53s+61° 42’ 11”
StarHIP 913357.98818h 37m 43s+59° 45’ 30”
StarHIP 913976.616218h 38m 24s+60° 42’ 39”
StarHIP 914696.760418h 39m 19s+59° 31’ 40”
StarHIP 916737.073218h 41m 40s+61° 32’ 46”
StarHIP 919155.949418h 44m 18s+61° 02’ 53”
StarHIP 919366.942418h 44m 30s+60° 20’ 56”
GalaxyNGC 670113.018h 43m 12s+60° 39’ 14”

Additional resources

Additional Resources about Comet C/2017 M4 (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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