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C/2020 H4 (Leonard) live position and data

This page shows Comet C/2020 H4 (Leonard) 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/2020 H4 (Leonard) (less than 1.5 degrees):

TypeNameMagnitudeArDec
StarHIP 509008.438810h 23m 38s+58° 24’ 37”
StarHIP 520198.839810h 37m 39s+57° 51’ 54”
StarHIP 524288.275210h 43m 05s+57° 57’ 21”
StarHIP 520727.918410h 38m 26s+57° 06’ 14”
StarHIP 519608.29110h 36m 52s+57° 18’ 23”
StarHIP 512538.942410h 28m 09s+57° 39’ 11”
StarHIP 520748.996810h 38m 27s+57° 31’ 39”
StarHIP 512078.700610h 27m 33s+56° 52’ 43”
StarHIP 514458.702610h 30m 22s+56° 21’ 20”
StarHIP 511538.48710h 26m 56s+56° 30’ 26”
StarHIP 519926.416210h 37m 20s+56° 25’ 52”
StarHIP 508098.555610h 22m 24s+58° 06’ 33”
StarHIP 518145.123410h 35m 09s+57° 04’ 57”
StarHIP 510648.430810h 26m 02s+58° 57’ 29”
StarHIP 514647.506810h 30m 41s+56° 34’ 08”
GalaxyNGC 322513.310h 25m 10s+58° 09’ 01”
GalaxyNGC 322013.910h 23m 45s+57° 01’ 37”
GalaxyNGC 323813.910h 26m 43s+57° 13’ 37”

Additional resources

Additional Resources about Comet C/2020 H4 (Leonard)

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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