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Position of Comet C/2012 S1 (ISON) in the Sky

The current position of Comet C/2012 S1 (ISON) is computed using high quality data sets provided by the JPL Horizons ephemeris service (see acknowledgements). It is important to be aware that for objects like comets there might be large discrepancies between the predicted magnitude and the real one. This happens because comets magnitude is highly influenced by physical phenomena which can be hardly modelled and calculated in advance.

Current close conjunctions

List of bright objects (stars brighter than magnitude 9.0 and galaxies brighter than magmitude 14.0) close to Comet C/2012 S1 (ISON) (less than 1.5 degrees):

TypeNameMagnitudeArDec
StarHIP 398367.575208h 08m 21s+37° 52’ 03”
StarHIP 398868.389808h 08m 49s+37° 13’ 37”
StarHIP 400268.233808h 10m 31s+37° 20’ 54”
StarHIP 400378.722608h 10m 40s+38° 22’ 07”
StarHIP 400398.946808h 10m 44s+36° 37’ 59”
StarHIP 400936.55308h 11m 21s+38° 43’ 53”
StarHIP 403388.702408h 14m 10s+37° 45’ 15”
StarHIP 406418.421608h 17m 47s+37° 52’ 03”
StarHIP 406927.363808h 18m 23s+37° 03’ 22”
StarHIP 407187.918608h 18m 42s+37° 44’ 13”
GalaxyNGC 254312.708h 12m 58s+36° 15’ 15”

Additional resources

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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