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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 215698.655804h 37m 50s+56° 07’ 02”
StarHIP 215818.274804h 38m 03s+57° 06’ 38”
StarHIP 216557.925804h 38m 57s+56° 38’ 17”
StarHIP 21884004h 42m 16s+57° 42’ 31”
StarHIP 219417.862804h 42m 58s+57° 12’ 07”
StarHIP 220178.49104h 44m 02s+55° 32’ 18”
StarHIP 221817.013404h 46m 20s+55° 39’ 18”
StarHIP 222875.251404h 48m 00s+56° 45’ 27”
StarHIP 223006.298804h 48m 06s+55° 36’ 10”
StarHIP 224568.50704h 49m 55s+56° 34’ 20”
StarHIP 225227.779204h 50m 48s+56° 31’ 49”
StarHIP 225697.858604h 51m 27s+55° 50’ 14”
StarHIP 226248.034604h 52m 04s+56° 25’ 24”
StarHIP 229228.623804h 55m 58s+56° 18’ 52”

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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Dec:  ()
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