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Comets

Browse and discover detailed information about 210 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 53P/Van Biesbroeck

53P/Van Biesbroeck
R.A: 05h 29m 00s   Dec: +16° 49’ 31”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.3 (JPL)  fading
in Taurus   current altitude less than 30 degrees above the horizon

Comet 217P/LINEAR

217P/LINEAR
R.A: 13h 14m 38s   Dec: +05° 09’ 32”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.3 (JPL) 
in Virgo   current altitude greater than 30 degrees above the horizon

Comet 210P/Christensen

210P/Christensen
R.A: 16h 17m 01s   Dec: -14° 54’ 16”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.4 (JPL)  fading
in Scorpius   current altitude less than 30 degrees above the horizon

Comet 260P/McNaught

260P/McNaught
R.A: 10h 34m 03s   Dec: +16° 51’ 35”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.4 (JPL)  fading
in Leo   current altitude greater than 30 degrees above the horizon

Comet C/2015 B1 (PANSTARRS)

C/2015 B1 (PANSTARRS)
R.A: 19h 51m 54s   Dec: -35° 39’ 10”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.5 (JPL) 
in Sagittarius   object currently below the horizon

Comet C/2018 L2 (ATLAS)

C/2018 L2 (ATLAS)
R.A: 03h 39m 53s   Dec: +18° 11’ 23”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.6 (JPL)  fading
in Taurus   object currently below the horizon

Comet 269P/Jedicke

269P/Jedicke
R.A: 17h 33m 51s   Dec: -21° 14’ 22”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.6 (JPL) 
in Ophiucus   object currently below the horizon

Comet C/2019 K4

C/2019 K4
R.A: 00h 05m 23s   Dec: -62° 17’ 25”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.7 (JPL) 
in Tucana   object currently below the horizon

Comet 294P/LINEAR

294P/LINEAR
R.A: 21h 29m 55s   Dec: -11° 16’ 21”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.8 (JPL) 
in Capricornus   object currently below the horizon

Comet 123P/West-Hartley

123P/West-Hartley
R.A: 19h 35m 13s   Dec: -32° 56’ 49”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.9 (JPL)  fading
in Sagittarius   object currently below the horizon

Comet 290P/Jager

290P/Jager
R.A: 20h 10m 09s   Dec: -21° 07’ 28”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.9 (JPL) 
in Capricornus   object currently below the horizon

Comet 38P/Stephan-Oterma

38P/Stephan-Oterma
R.A: 14h 50m 20s   Dec: -02° 36’ 32”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.1 (JPL) 
in Libra   current altitude less than 30 degrees above the horizon

Comet 64P/Swift-Gehrels

64P/Swift-Gehrels
R.A: 12h 51m 52s   Dec: -15° 12’ 45”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.1 (JPL)  brightening
in Corvus   current altitude less than 30 degrees above the horizon

Comet C/2018 E1 (ATLAS)

C/2018 E1 (ATLAS)
R.A: 13h 51m 27s   Dec: +49° 06’ 06”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.2 (JPL)  fading
in Ursa Major   current altitude greater than 30 degrees above the horizon

Comet 185P/Petriew

185P/Petriew
R.A: 15h 14m 18s   Dec: -16° 29’ 48”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.3 (JPL)  brightening
in Libra   current altitude less than 30 degrees above the horizon

Comet C/2020 K3 (Leonard)

C/2020 K3 (Leonard)
R.A: 16h 04m 51s   Dec: -03° 21’ 21”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.6 (JPL)  fading
in Serpens   current altitude less than 30 degrees above the horizon

Comet C/2019 H1 (NEOWISE)

C/2019 H1 (NEOWISE)
R.A: 06h 59m 31s   Dec: +70° 14’ 41”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.6 (JPL) 
in Camelopardalis   current altitude greater than 30 degrees above the horizon

Comet C/2018 X2 (Fitzsimmons)

C/2018 X2 (Fitzsimmons)
R.A: 16h 58m 48s   Dec: -43° 46’ 07”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.6 (JPL) 
in Scorpius   object currently below the horizon

Comet C/2018 R3 (Lemmon)

C/2018 R3 (Lemmon)
R.A: 10h 12m 11s   Dec: -55° 17’ 00”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.7 (JPL)  fading
in Vela   object currently below the horizon

Comet 51P/Harrington

51P/Harrington
R.A: 14h 54m 31s   Dec: -12° 17’ 10”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.0 (JPL)  brightening
in Libra   current altitude less than 30 degrees above the horizon
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