C/2021 P4 (ATLAS) live position and data

This page shows Comet C/2021 P4 (ATLAS) 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/2021 P4 (ATLAS) (less than 1.5 degrees):

Type	Name	Magnitude	Ar	Dec
Star	HIP 101399	8.5934	20h 33m 00s	-62° 29’ 45”
Star	HIP 102250	8.0216	20h 43m 06s	-62° 58’ 30”
Star	HIP 101376	8.2886	20h 32m 48s	-64° 02’ 28”
Star	HIP 102068	8.9058	20h 41m 04s	-64° 02’ 07”
Star	HIP 100761	8.2872	20h 25m 43s	-62° 39’ 33”
Star	HIP 100494	8.586	20h 22m 42s	-64° 11’ 10”
Star	HIP 101962	8.5302	20h 39m 43s	-64° 36’ 25”
Star	HIP 100614	8.6724	20h 24m 06s	-64° 35’ 23”
Star	HIP 101965	6.1078	20h 39m 51s	-62° 54’ 27”
Star	HIP 100974	8.7572	20h 28m 23s	-63° 05’ 50”
Star	HIP 100629	8.1766	20h 24m 15s	-63° 53’ 24”
Star	HIP 102375	8.8366	20h 44m 35s	-63° 08’ 08”
Star	HIP 101543	7.3402	20h 34m 44s	-63° 18’ 41”
Star	HIP 101031	8.3206	20h 28m 54s	-62° 27’ 32”
Star	HIP 102443	7.6002	20h 45m 30s	-64° 25’ 38”
Star	HIP 101637	8.4288	20h 36m 03s	-62° 36’ 14”
Star	HIP 101684	6.3162	20h 36m 38s	-63° 07’ 14”
Star	HIP 101182	7.08	20h 30m 33s	-64° 11’ 24”
Star	HIP 101725	6.7062	20h 37m 11s	-65° 01’ 59”
Star	HIP 102039	7.76	20h 40m 44s	-64° 11’ 04”
Star	HIP 102007	8.4124	20h 40m 16s	-65° 04’ 20”
Star	HIP 101524	8.713	20h 34m 26s	-63° 39’ 42”
Star	HIP 101064	8.8318	20h 29m 17s	-64° 23’ 39”

Additional resources

Additional Resources about Comet C/2021 P4 (ATLAS)

• 15 Days Ephemerides
• Interactive Sky Map (Planetarium)
• Rise & Set Times
• Distance from Earth
• Light Curve
• Orbital Elements

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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