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Dec: 

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 388398.384607h 56m 54s+41° 03’ 48”
StarHIP 38892007h 57m 32s+40° 02’ 08”
StarHIP 389268.568407h 57m 54s+40° 58’ 29”
StarHIP 38956007h 58m 12s+41° 18’ 19”
StarHIP 391137.31708h 00m 08s+41° 25’ 22”
StarHIP 391297.813808h 00m 16s+40° 47’ 35”
StarHIP 391897.455608h 00m 55s+39° 54’ 36”
StarHIP 392198.179208h 01m 19s+40° 24’ 03”
StarHIP 392247.279408h 01m 22s+40° 51’ 24”
StarHIP 392437.237408h 01m 32s+41° 23’ 14”
StarHIP 392678.012808h 01m 47s+40° 08’ 42”
StarHIP 395236.776808h 04m 40s+39° 44’ 26”
StarHIP 395348.870408h 04m 44s+41° 10’ 08”
StarHIP 395638.97308h 05m 02s+41° 49’ 12”
StarHIP 395937.775808h 05m 25s+41° 11’ 24”
StarHIP 396687.993608h 06m 21s+41° 59’ 08”
StarHIP 397658.067408h 07m 39s+39° 50’ 30”
StarHIP 400138.107808h 10m 19s+41° 38’ 16”
StarHIP 401288.922808h 11m 47s+40° 32’ 00”
GalaxyNGC 249313.008h 00m 23s+39° 49’ 49”

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.

RA:  ()
Dec:  ()
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