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C/2015 D4 (Borisov) live position and data

This page shows Comet C/2015 D4 (Borisov) 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/2015 D4 (Borisov) (less than 1.5 degrees):

TypeNameMagnitudeArDec
StarHIP 995607.58820h 12m 16s+80° 28’ 04”
StarHIP 997596.7620h 14m 26s+80° 31’ 54”
StarHIP 997797.870620h 14m 41s+80° 34’ 32”
StarHIP 1007467.563620h 25m 33s+80° 13’ 12”
StarHIP 1008436.44320h 26m 48s+81° 26’ 02”
StarHIP 1009655.267620h 28m 14s+81° 25’ 21”
StarHIP 1010825.875620h 29m 27s+81° 05’ 26”
StarHIP 1011668.607620h 30m 21s+81° 08’ 20”
StarHIP 1015506.88120h 34m 45s+82° 00’ 40”
StarHIP 1016346.948820h 36m 00s+79° 25’ 49”
StarHIP 1017328.765620h 37m 14s+79° 17’ 18”
StarHIP 1019608.675420h 39m 43s+80° 29’ 59”
StarHIP 1025995.24720h 47m 33s+80° 33’ 08”
StarHIP 1032438.212620h 54m 59s+81° 48’ 17”
StarHIP 1035558.524820h 58m 50s+80° 09’ 25”
StarHIP 1039386.917821h 03m 36s+81° 09’ 39”
StarHIP 104197021h 06m 37s+80° 47’ 35”
StarHIP 1042126.957621h 06m 49s+81° 01’ 13”
StarHIP 1046568.667821h 11m 58s+80° 20’ 34”
StarHIP 1047566.110221h 13m 21s+81° 13’ 51”
StarHIP 1051907.262821h 18m 30s+80° 21’ 11”
GalaxyUGC 1163513.920h 43m 29s+80° 09’ 19”

Additional resources

Additional Resources about Comet C/2015 D4 (Borisov)

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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