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C/2017 O1 (ASASSN1) live position and data

This page shows Comet C/2017 O1 (ASASSN1) 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 O1 (ASASSN1) (less than 1.5 degrees):

TypeNameMagnitudeArDec
StarHIP 616698.548812h 38m 31s+28° 34’ 23”
StarHIP 620177.456212h 42m 39s+28° 21’ 35”
StarHIP 622137.343212h 45m 03s+27° 23’ 36”
StarHIP 613028.55912h 33m 36s+28° 04’ 53”
StarHIP 618907.785412h 40m 55s+27° 08’ 20”
StarHIP 621587.924812h 44m 20s+27° 58’ 55”
StarHIP 621298.574812h 43m 59s+27° 19’ 30”
StarHIP 622188.812212h 45m 04s+27° 44’ 49”
StarHIP 616177.972412h 37m 38s+28° 37’ 45”
GalaxyNGC 467013.112h 45m 16s+27° 07’ 33”
GalaxyNGC 455910.312h 35m 57s+27° 57’ 51”
GalaxyNGC 455513.412h 35m 41s+26° 31’ 23”

Additional resources

Additional Resources about Comet C/2017 O1 (ASASSN1)

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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