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):

StarHIP 459607.403609h 22m 22s+48° 24’ 36”
StarHIP 459746.917209h 22m 32s+49° 32’ 41”
StarHIP 461566.953609h 24m 46s+50° 16’ 41”
StarHIP 463447.874409h 26m 55s+49° 41’ 32”
StarHIP 463517.542409h 27m 01s+47° 46’ 23”
StarHIP 464417.900609h 28m 18s+48° 52’ 53”
StarHIP 464966.965209h 28m 59s+50° 01’ 52”
StarHIP 466408.268209h 30m 36s+47° 52’ 13”
StarHIP 468307.910609h 32m 33s+48° 19’ 53”
StarHIP 468357.936809h 32m 38s+48° 10’ 00”
StarHIP 468736.744809h 33m 07s+49° 26’ 19”
StarHIP 469817.444809h 34m 31s+48° 45’ 16”
StarHIP 470947.00909h 35m 50s+48° 29’ 29”
StarHIP 472218.58709h 37m 26s+49° 18’ 21”
StarHIP 472578.878209h 37m 56s+49° 00’ 11”
GalaxyNGC 285413.809h 24m 02s+49° 12’ 14”
GalaxyNGC 285614.009h 24m 16s+49° 14’ 53”
GalaxyNGC 285713.209h 24m 37s+49° 21’ 20”
GalaxyPGC 2710213.909h 32m 44s+48° 47’ 45”

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:  ()
Dec:  ()
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