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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 156195.590203h 21m 06s+03° 40’ 32”
StarHIP 157328.81503h 22m 42s+02° 28’ 07”
StarHIP 157798.580803h 23m 20s+02° 50’ 56”
StarHIP 158308.173803h 23m 54s+03° 02’ 36”
StarHIP 158588.467803h 24m 15s+01° 21’ 24”
StarHIP 159148.16903h 24m 55s+01° 58’ 34”
StarHIP 159488.623203h 25m 20s+03° 16’ 54”
StarHIP 160328.15203h 26m 26s+02° 10’ 11”
StarHIP 160668.57403h 26m 56s+03° 27’ 52”
StarHIP 160867.388403h 27m 13s+02° 16’ 48”
StarHIP 162266.351603h 29m 03s+03° 14’ 55”
StarHIP 16227003h 29m 03s+01° 40’ 07”
StarHIP 163348.958203h 30m 34s+02° 04’ 47”

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.

RA:  ()
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