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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 60849012h 28m 18s+12° 22’ 37”
StarHIP 61189012h 32m 16s+12° 10’ 45”
StarHIP 613988.868812h 34m 52s+12° 27’ 33”
StarHIP 608427.744812h 28m 14s+11° 49’ 35”
StarHIP 606078.758412h 25m 20s+11° 54’ 35”
StarHIP 610518.549212h 30m 48s+12° 29’ 12”
StarHIP 609458.503412h 29m 32s+11° 29’ 32”
StarHIP 608717.892212h 28m 34s+12° 07’ 02”
StarHIP 611358.04712h 31m 39s+12° 07’ 40”
StarHIP 609188.574812h 29m 05s+13° 57’ 01”
GalaxyNGC 446112.012h 29m 02s+13° 11’ 08”
GalaxyNGC 455012.512h 35m 30s+12° 13’ 17”
GalaxyNGC 438713.012h 25m 41s+12° 48’ 41”
GalaxyNGC 447613.012h 29m 58s+12° 20’ 53”
GalaxyNGC 455113.012h 35m 38s+12° 15’ 56”
GalaxyNGC 447913.512h 30m 18s+13° 34’ 41”
GalaxyNGC 449113.512h 30m 56s+11° 29’ 00”
GalaxyNGC 4486A13.512h 30m 57s+12° 16’ 10”
GalaxyIC 341814.012h 29m 43s+11° 24’ 06”
GalaxyNGC 44869.612h 30m 49s+12° 23’ 24”
GalaxyNGC 450312.112h 32m 06s+11° 10’ 41”
GalaxyNGC 440212.612h 26m 07s+13° 06’ 45”
GalaxyNGC 453112.612h 34m 16s+13° 04’ 33”
GalaxyNGC 437410.212h 25m 03s+12° 53’ 13”
GalaxyNGC 447311.212h 29m 48s+13° 25’ 49”
GalaxyNGC 441312.712h 26m 31s+12° 36’ 34”
GalaxyNGC 450613.712h 32m 10s+13° 25’ 18”
GalaxyNGC 445911.312h 28m 59s+13° 58’ 45”
GalaxyNGC 438811.812h 25m 46s+12° 39’ 41”
GalaxyNGC 443511.812h 27m 40s+13° 04’ 46”
GalaxyNGC 442512.812h 27m 13s+12° 44’ 08”
GalaxyNGC 444012.812h 27m 53s+12° 17’ 34”
GalaxyNGC 445812.812h 28m 57s+13° 14’ 35”
GalaxyNGC 44069.912h 26m 11s+12° 56’ 48”
GalaxyNGC 443810.912h 27m 45s+13° 00’ 34”
GalaxyNGC 455210.912h 35m 39s+12° 33’ 24”
GalaxyNGC 447711.412h 30m 02s+13° 38’ 11”
GalaxyNGC 447812.412h 30m 17s+12° 19’ 44”
GalaxyNGC 445212.912h 28m 43s+11° 45’ 20”
GalaxyNGC 452812.912h 34m 06s+11° 19’ 20”
GalaxyNGC 449713.412h 31m 32s+11° 37’ 36”
GalaxyNGC 443113.912h 27m 26s+12° 17’ 26”

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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