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 262968.222805h 36m 00s+77° 55’ 56”
StarHIP 266738.204405h 40m 06s+76° 46’ 00”
StarHIP 267908.036605h 41m 24s+77° 32’ 10”
StarHIP 268488.203805h 42m 00s+76° 27’ 54”
StarHIP 268888.141405h 42m 30s+77° 06’ 58”
StarHIP 271308.176805h 45m 11s+76° 58’ 01”
StarHIP 272258.12705h 46m 12s+78° 15’ 21”
StarHIP 275008.63105h 49m 24s+78° 03’ 23”
StarHIP 279888.040805h 55m 09s+76° 52’ 10”
StarHIP 27996005h 55m 15s+76° 52’ 29”
StarHIP 280308.197805h 55m 39s+77° 55’ 26”
StarHIP 287068.712206h 03m 47s+76° 55’ 38”
StarHIP 293208.339406h 10m 58s+76° 45’ 51”
StarHIP 295037.38206h 12m 58s+77° 17’ 12”
StarHIP 296707.829206h 15m 01s+76° 30’ 19”
GalaxyUGC 337314.005h 59m 02s+78° 30’ 21”
GalaxyNGC 214611.306h 18m 40s+78° 21’ 19”
GalaxyUGC 343113.406h 19m 22s+76° 48’ 46”

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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