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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 5138.861200h 06m 11s+87° 53’ 21”
StarHIP 5838.174200h 07m 06s+85° 24’ 17”
StarHIP 7058.344800h 08m 47s+86° 47’ 16”
StarHIP 31338.970800h 39m 49s+87° 47’ 48”
StarHIP 43207.976800h 55m 16s+85° 42’ 09”
StarHIP 51228.70701h 05m 37s+87° 19’ 07”
StarHIP 53724.117201h 08m 44s+86° 15’ 25”
StarHIP 59286.074201h 16m 12s+87° 08’ 43”
StarHIP 69138.339601h 29m 01s+86° 55’ 59”
StarHIP 1112448.24122h 32m 17s+87° 17’ 04”
StarHIP 1151098.474223h 18m 53s+86° 03’ 23”
StarHIP 1155506.582423h 24m 20s+86° 25’ 03”
StarHIP 1157465.543223h 26m 59s+87° 18’ 26”
StarHIP 1157537.484623h 27m 04s+86° 00’ 29”
StarHIP 1158137.168223h 27m 44s+86° 33’ 31”
StarHIP 1161097.097623h 31m 33s+86° 10’ 41”
StarHIP 1169457.588623h 42m 18s+85° 28’ 06”
StarHIP 1173507.696423h 47m 37s+85° 04’ 42”
StarHIP 1182856.745623h 59m 30s+86° 42’ 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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Dec:  ()
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