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Comets

Browse and discover detailed information about 199 of the most interesting comets. Comets are listed in order of decreasing brightness.

Visibility from selected location  = visible to the naked eye
 = binocular, brighter than 10th magnitude
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]

Comet C/2016 A1 (PANSTARRS)

C/2016 A1 (PANSTARRS)
R.A: 22h 42m 17s   Dec: +68° 20’ 29”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.0 (JPL) 
in Cepheus   current altitude greater than 30 degrees above the horizon

Comet 22P/Kopff

22P/Kopff
R.A: 10h 42m 30s   Dec: +10° 10’ 09”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.1 (JPL)  brightening
in Leo   current altitude greater than 30 degrees above the horizon

Comet 240P/NEAT

240P/NEAT
R.A: 14h 42m 01s   Dec: -03° 29’ 31”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.2 (JPL) 
in Virgo   current altitude less than 30 degrees above the horizon

Comet 7P/Pons-Winnecke

7P/Pons-Winnecke
R.A: 11h 55m 04s   Dec: +18° 01’ 12”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.2 (JPL)  brightening
in Leo   current altitude greater than 30 degrees above the horizon

Comet 68P/Klemola

68P/Klemola
R.A: 05h 51m 11s   Dec: +09° 57’ 46”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.3 (JPL) 
in Orion   current altitude less than 30 degrees above the horizon

Comet C/2020 K5 (PANSTARRS)

C/2020 K5 (PANSTARRS)
R.A: 16h 30m 31s   Dec: -04° 57’ 37”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.3 (JPL) 
in Ophiucus   current altitude less than 30 degrees above the horizon

Comet C/2018 W2 (Africano)

C/2018 W2 (Africano)
R.A: 14h 30m 13s   Dec: -76° 03’ 55”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.3 (JPL)  fading
in Apus   object currently below the horizon

Comet C/2020 T4 (PANSTARRS)

Comet C/2020 T4
R.A: 03h 35m 36s   Dec: +24° 19’ 04”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.3 (JPL)  brightening
in Taurus   object currently below the horizon

Comet 119P/Parker-Hartley

119P/Parker-Hartley
R.A: 19h 07m 24s   Dec: -24° 10’ 39”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.3 (JPL)  fading
in Sagittarius   object currently below the horizon

Comet 284P/McNaught

284P/McNaught
R.A: 16h 39m 29s   Dec: -13° 32’ 34”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.4 (JPL) 
in Ophiucus   current altitude less than 30 degrees above the horizon

Comet 249P/LINEAR

249P/LINEAR
R.A: 07h 00m 33s   Dec: +19° 13’ 20”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.5 (JPL)  fading
in Gemini   current altitude less than 30 degrees above the horizon

Comet 67P/Churyumov-Gerasimenko

67P/Churyumov-Gerasimenko
R.A: 18h 06m 48s   Dec: -26° 38’ 40”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.5 (JPL)  brightening
in Sagittarius   object currently below the horizon

Comet C/2020 S4 (PANSTARRS)

Comet C/2020 S4
R.A: 03h 09m 51s   Dec: -06° 00’ 32”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.5 (JPL)  brightening
in Eridanus   object currently below the horizon

Comet C/2013 YG46 (Spacewatch)

C/2013 YG46 (Spacewatch)
R.A: 09h 54m 47s   Dec: +20° 34’ 38”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.6 (JPL)  brightening
in Leo   current altitude greater than 30 degrees above the horizon

Comet 78P/Gehrels 2

78P/Gehrels 2
R.A: 11h 55m 37s   Dec: -03° 03’ 41”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.8 (JPL) 
in Virgo   current altitude greater than 30 degrees above the horizon

Comet C/2020 N2 (ATLAS)

C/2020 N2 (ATLAS)
R.A: 15h 48m 03s   Dec: -18° 32’ 10”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.8 (JPL)  fading
in Libra   current altitude less than 30 degrees above the horizon

Comet 8P/Tuttle

8P/Tuttle
R.A: 19h 57m 58s   Dec: +41° 21’ 38”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.9 (JPL)  brightening
in Cygnus   current altitude less than 30 degrees above the horizon

Comet 9P/Tempel 1

9P/Tempel 1
R.A: 08h 31m 01s   Dec: +26° 07’ 16”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.0 (JPL)  brightening
in Cancer   current altitude greater than 30 degrees above the horizon

Comet C/2015 V2 (Johnson)

C/2015 V2 (Johnson)
R.A: 02h 28m 31s   Dec: -33° 30’ 06”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.0 (JPL) 
in Fornax   object currently below the horizon

Comet 354P/LINEAR

354P/LINEAR
R.A: 11h 38m 57s   Dec: +00° 57’ 44”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.1 (JPL)  brightening
in Virgo   current altitude greater than 30 degrees above the horizon
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